英语听力考试专用耳机 四六级听力耳机 无线数字调频耳机

英语听力考试专用耳机 四六级听力耳机 无线数字调频耳机 外语考试专用听力耳机——科普KP-808F 科普KP-808F款耳机,是我厂今年主打产品耳机。可折叠,真正液晶数字显示,带你体验更完美的听觉体验! 本款耳机产品主要针对学校英语听力考试而 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 ,为广大考生量身打造,真正的满足考生听力上的各种需求,成为更懂你的耳机! 我厂生产耳机是一条龙,一站式生产。从筑缩成型到成品检验全部把关,步步检验,保证出厂产品的合格率和产品质量。 我们厂郑重承诺:大学四年内,如果出现非人为的质量问 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 ,一律直接换新机! 详情请咨询科普文教科技用品有限公司 腾讯号:三零二九五七五六二 一、技术指标: 1、接收范围:调频:50-108MHz，可定制， 音频:200-8000Hz 红外线接收:，150KHz、2.1MHZ、2.8MHz选一， 2、接收灵敏度:FM:?8uV AF:?10m 3、频率响应:50-15000Hz 4、输出功率:?50mw 5、电源:DC:3V 2节5号电池，AA， the provisions of Hunan province safety production supervision and management responsibilities > (Hunan Zhengban made 2013 No. 4), resolutely implement the safety production of the party with responsibility, a pair of responsibility. "Two is issued safety production administration and inspection to promote the responsibilities bear safety production supervision departments strictly and effectively assumed responsibility. The three is the establishment of enterprise production safety hidden With self correction self reporting system, promote the enterprises to implement the main responsibility for production safety. The four is the introduction of strengthening county safety production supervision ability construction work, promote safe production responsibility to the grassroots. 3, strict accountability and target management. Adhere to the "who is in charge, who is responsible for the pipe industry must pipes, pipe production and management must control safety management business must be safe" principle, the implementation of safe production supervision and stagnation to cure. "The leadership responsible system. Production safety of key towns, key enterprises and key problems, by the township government and the Department responsible for the stagnation led the lump sum, to tackle tough. To further increase the production safety index assessment, strict implementation of safe production of "one vote veto" award and recognition system, strengthen production safety incentive mechanism (four). Adhere to the political principles against unwholesome tendencies existence of the problem is not strict internal supervision. Over the years, the global leadership team members do not have any illegal and other bad records, but there are still not strict, the implementation does not survive the problem. A few leading cadres not strictly in accordance with the county Party committee, county government On strengthening style construction requirements and style construction safety supervision system of "ten prohibitions", to solve the people most concerned, the most direct, the most realistic problem of production safety as the starting point and goal of all work, to strengthen internal supervision on the way, in the perfect power control mechanism on "let things drift", get free in the political norms of leading cadres, some involving major principle problems of ambiguous attitude, major issues issues of right and wrong, it cannot stand up bravely, face to face, resolute struggle and discredit the views of the party in 2012. The style of the big consolidation activities, cadres and workers 6 people were 二、产品说明: 1、KP808F是一款折叠式调频无线语言教学接收耳机,可应用于中考、高考、英语四、六级等听力训练。 2、微电脑软件只能控制:数字调频耳机的一次操作均由微处理器进行控制,它使用强大的数字信号处理技术，DSP，,实现自劢搜索。 3、高集成度,低耗电:本产品采用新一代CMOS技术,低漏电 工艺 钢结构制作工艺流程车尿素生产工艺流程自动玻璃钢生产工艺2工艺纪律检查制度q345焊接工艺规程 的高集成度调频收音机芯片,内置功放,体积小,功耗低，待机0.01mA 工作20mA，比传统收音机大大省电。 4、高灵敏度:由于采用数字信号处理技术，DSP，和天线加感工艺使收音机的接收灵敏度大幅度提高。 the provisions of Hunan province safety production supervision and management responsibilities > (Hunan Zhengban made 2013 No. 4), resolutely implement the safety production of the party with responsibility, a pair of responsibility. "Two is issued safety production administration and inspection to promote the responsibilities bear safety production supervision departments strictly and effectively assumed responsibility. The three is the establishment of enterprise production safety hidden With self correction self reporting system, promote the enterprises to implement the main responsibility for production safety. The four is the introduction of strengthening county safety production supervision ability construction work, promote safe production responsibility to the grassroots. 3, strict accountability and target management. Adhere to the "who is in charge, who is responsible for the pipe industry must pipes, pipe production and management must control safety management business must be safe" principle, the implementation of safe production supervision and stagnation to cure. "The leadership responsible system. Production safety of key towns, key enterprises and key problems, by the township government and the Department responsible for the stagnation led the lump sum, to tackle tough. To further increase the production safety index assessment, strict implementation of safe production of "one vote veto" award and recognition system, strengthen production safety incentive mechanism (four). Adhere to the political principles against unwholesome tendencies existence of the problem is not strict internal supervision. Over the years, the global leadership team members do not have any illegal and other bad records, but there are still not strict, the implementation does not survive the problem. A few leading cadres not strictly in accordance with the county Party committee, county government On strengthening style construction requirements and style construction safety supervision system of "ten prohibitions", to solve the people most concerned, the most direct, the most realistic problem of production safety as the starting point and goal of all work, to strengthen internal supervision on the way, in the perfect power control mechanism on "let things drift", get free in the political norms of leading cadres, some involving major principle problems of ambiguous attitude, major issues issues of right and wrong, it cannot stand up bravely, face to face, resolute struggle and discredit the views of the party in 2012. The style of the big consolidation activities, cadres and workers 6 people were 5、高分离度,低失真:芯片强大的LOW-IF数字音频结构和重低音处理技术使音质更出色。 6、高清晰度,低噪声:本产品在收听语音节目，英语，时,收听效果明亮清晰。 7、高稳定度,高可靠性,低故障率:由于采用高稳定晶体作为系统的参考时钟脉冲,使接收机频率稳定,自劢锁定永不炮台。本产品无传统调频耳机的机械开关、双联可变电容、电位器等易磨损件。全部功能与手机一样的按键控制,大大提高产品的可靠性,耐用性,大大降低返修率。 8、65锰弹簧钢带,坚韧耐用。 9、多功能结构设计,进口台化ABS工程塑胶,结实耐用,内部电路用料考究,制作精细。 10、液晶显示屏,真正的数显,让你轻松调到任何频点。 11、钢管拉杆天线，可伸缩天线，,信号更强更稳,永不炮台。可伸缩设计,使其更易随身携带。 12、喇叭采用40mm大口经,高磁钕铁硼磁材,音质优美清晰,声音宏亮,灵敏度高,选择性好。是外语听力的最佳选择。 详情请咨询科普文教科技用品有限公司 腾讯号:三零二九五七五六二 the provisions of Hunan province safety production supervision and management responsibilities > (Hunan Zhengban made 2013 No. 4), resolutely implement the safety production of the party with responsibility, a pair of responsibility. "Two is issued safety production administration and inspection to promote the responsibilities bear safety production supervision departments strictly and effectively assumed responsibility. The three is the establishment of enterprise production safety hidden With self correction self reporting system, promote the enterprises to implement the main responsibility for production safety. The four is the introduction of strengthening county safety production supervision ability construction work, promote safe production responsibility to the grassroots. 3, strict accountability and target management. Adhere to the "who is in charge, who is responsible for the pipe industry must pipes, pipe production and management must control safety management business must be safe" principle, the implementation of safe production supervision and stagnation to cure. "The leadership responsible system. Production safety of key towns, key enterprises and key problems, by the township government and the Department responsible for the stagnation led the lump sum, to tackle tough. To further increase the production safety index assessment, strict implementation of safe production of "one vote veto" award and recognition system, strengthen production safety incentive mechanism (four). Adhere to the political principles against unwholesome tendencies existence of the problem is not strict internal supervision. Over the years, the global leadership team members do not have any illegal and other bad records, but there are still not strict, the implementation does not survive the problem. A few leading cadres not strictly in accordance with the county Party committee, county government On strengthening style construction requirements and style construction safety supervision system of "ten prohibitions", to solve the people most concerned, the most direct, the most realistic problem of production safety as the starting point and goal of all work, to strengthen internal supervision on the way, in the perfect power control mechanism on "let things drift", get free in the political norms of leading cadres, some involving major principle problems of ambiguous attitude, major issues issues of right and wrong, it cannot stand up bravely, face to face, resolute struggle and discredit the views of the party in 2012. The style of the big consolidation activities, cadres and workers 6 people were 三、功能说明: 1、调频、音频/接收功能、液晶数字显示功能,带音量调节。 2、能接收学校音频广播和调频电台广播,又可接收本地调频电台。方便学生课余时间收听新闻,音乐等广播节目。 3、可以配合教室小发射机使用。 4、带耳机插孔。 另配电脑咪线可以在语音室使用,也可用于音乐欣赏、网吧等;可作馈赠朊友/客户之佳品。 ，另购件， 5、彩盒包装。 the provisions of Hunan province safety production supervision and management responsibilities > (Hunan Zhengban made 2013 No. 4), resolutely implement the safety production of the party with responsibility, a pair of responsibility. "Two is issued safety production administration and inspection to promote the responsibilities bear safety production supervision departments strictly and effectively assumed responsibility. The three is the establishment of enterprise production safety hidden With self correction self reporting system, promote the enterprises to implement the main responsibility for production safety. The four is the introduction of strengthening county safety production supervision ability construction work, promote safe production responsibility to the grassroots. 3, strict accountability and target management. Adhere to the "who is in charge, who is responsible for the pipe industry must pipes, pipe production and management must control safety management business must be safe" principle, the implementation of safe production supervision and stagnation to cure. "The leadership responsible system. Production safety of key towns, key enterprises and key problems, by the township government and the Department responsible for the stagnation led the lump sum, to tackle tough. To further increase the production safety index assessment, strict implementation of safe production of "one vote veto" award and recognition system, strengthen production safety incentive mechanism (four). Adhere to the political principles against unwholesome tendencies existence of the problem is not strict internal supervision. Over the years, the global leadership team members do not have any illegal and other bad records, but there are still not strict, the implementation does not survive the problem. A few leading cadres not strictly in accordance with the county Party committee, county government On strengthening style construction requirements and style construction safety supervision system of "ten prohibitions", to solve the people most concerned, the most direct, the most realistic problem of production safety as the starting point and goal of all work, to strengthen internal supervision on the way, in the perfect power control mechanism on "let things drift", get free in the political norms of leading cadres, some involving major principle problems of ambiguous attitude, major issues issues of right and wrong, it cannot stand up bravely, face to face, resolute struggle and discredit the views of the party in 2012. The style of the big consolidation activities, cadres and workers 6 people were 详情请咨询科普文教科技用品有限公司 腾讯号:三零二九五七五六二 四、注意事项: 1、避免猛烈冲击,跌落地面。 2、勿置于高温、多尘潮湿、阳光直射的地方。 3、避免使用带有腐蚀性化学成份的液体和硬布来擦拭,以免损坏机壳。 4、本公司产品均用丏业精密仪器精心调试后出厂,请勿随意拆开机壳调整。 5、详情请咨询科普文教科技用品有限公司 腾讯号:三零二九五七五六二 6、长期不用,请取出电池。新旧电池严禁混用。 科普听力考试丏用耳机 the provisions of Hunan province safety production supervision and management responsibilities > (Hunan Zhengban made 2013 No. 4), resolutely implement the safety production of the party with responsibility, a pair of responsibility. "Two is issued safety production administration and inspection to promote the responsibilities bear safety production supervision departments strictly and effectively assumed responsibility. The three is the establishment of enterprise production safety hidden With self correction self reporting system, promote the enterprises to implement the main responsibility for production safety. The four is the introduction of strengthening county safety production supervision ability construction work, promote safe production responsibility to the grassroots. 3, strict accountability and target management. Adhere to the "who is in charge, who is responsible for the pipe industry must pipes, pipe production and management must control safety management business must be safe" principle, the implementation of safe production supervision and stagnation to cure. "The leadership responsible system. Production safety of key towns, key enterprises and key problems, by the township government and the Department responsible for the stagnation led the lump sum, to tackle tough. To further increase the production safety index assessment, strict implementation of safe production of "one vote veto" award and recognition system, strengthen production safety incentive mechanism (four). Adhere to the political principles against unwholesome tendencies existence of the problem is not strict internal supervision. Over the years, the global leadership team members do not have any illegal and other bad records, but there are still not strict, the implementation does not survive the problem. A few leading cadres not strictly in accordance with the county Party committee, county government On strengthening style construction requirements and style construction safety supervision system of "ten prohibitions", to solve the people most concerned, the most direct, the most realistic problem of production safety as the starting point and goal of all work, to strengthen internal supervision on the way, in the perfect power control mechanism on "let things drift", get free in the political norms of leading cadres, some involving major principle problems of ambiguous attitude, major issues issues of right and wrong, it cannot stand up bravely, face to face, resolute struggle and discredit the views of the party in 2012. The style of the big consolidation activities, cadres and workers 6 people were 科普文教用品科技有限公司 公司简介 郑州科普文教用品科技有限公司隶属于科普，深圳，电子科技集团,是一家集科研、生产、销售于一体的高科技新兴外贸型合资企业。 公司于2005年6月份登陆在郑州市郑上路北岗工业园区,丏业生产键盘、鼠标、耳机、摄像头等计算机外设配套产品,打造内地计算机配套耗材的产销基地。 公司规模化生产,产品从模具设计制造、注塑成型、成品生产到检测一条龙,产品采用台湾进口ABS工程塑料壳体、国际电子产业50强品牌厂商A级芯片及电子元件,确保了产品的稳定性。 公司十几年的丏业技术和率先导入的ISO9002质量管理体系,推出了具有自己品牌“科普”系列的计算机外设产品,深受广大分销商和消费者的欢迎,畅销全国各地,远销东南亚。 公司本着“以品质找市场,以朋务稳客户”的经营理念,与分销商精诚合作,携手共勉,努力实现双赢,共同发展。 主要业务:英语四六级耳机、收音机,老年唱戏机 详情请咨询科普文教科技用品有限公司 腾讯号:三零二九五七五六二 经营范围:文教用品的技术开发、销售,教学器材、教学仪器、教学用实验室用品、办公机具、家用电器、电子产品、计算机及周边耗材。 the provisions of Hunan province safety production supervision and management responsibilities > (Hunan Zhengban made 2013 No. 4), resolutely implement the safety production of the party with responsibility, a pair of responsibility. "Two is issued safety production administration and inspection to promote the responsibilities bear safety production supervision departments strictly and effectively assumed responsibility. The three is the establishment of enterprise production safety hidden With self correction self reporting system, promote the enterprises to implement the main responsibility for production safety. The four is the introduction of strengthening county safety production supervision ability construction work, promote safe production responsibility to the grassroots. 3, strict accountability and target management. Adhere to the "who is in charge, who is responsible for the pipe industry must pipes, pipe production and management must control safety management business must be safe" principle, the implementation of safe production supervision and stagnation to cure. "The leadership responsible system. Production safety of key towns, key enterprises and key problems, by the township government and the Department responsible for the stagnation led the lump sum, to tackle tough. To further increase the production safety index assessment, strict implementation of safe production of "one vote veto" award and recognition system, strengthen production safety incentive mechanism (four). Adhere to the political principles against unwholesome tendencies existence of the problem is not strict internal supervision. Over the years, the global leadership team members do not have any illegal and other bad records, but there are still not strict, the implementation does not survive the problem. A few leading cadres not strictly in accordance with the county Party committee, county government On strengthening style construction requirements and style construction safety supervision system of "ten prohibitions", to solve the people most concerned, the most direct, the most realistic problem of production safety as the starting point and goal of all work, to strengthen internal supervision on the way, in the perfect power control mechanism on "let things drift", get free in the political norms of leading cadres, some involving major principle problems of ambiguous attitude, major issues issues of right and wrong, it cannot stand up bravely, face to face, resolute struggle and discredit the views of the party in 2012. The style of the big consolidation activities, cadres and workers 6 people were