1. Input voltage: 5V 2. Microphone battery capacity: 200mAh 3. Receiver battery capacity: 200mAh 4. Battery life: 12h 5. Signal-to-noise ratio: 64dBM 6. Sensitivity: -42dB 7. Frequency response range: 20-20kHz 8. Transmission distance: 15-30m 9. Digital output and analog output, can use 8 Pin interface mobile phone, 3.5mm interface multi-function all-in-one 10. Automatic noise reduction, reverberation, monitoring, external speaker, mute 11. 2.4G wireless couplet, automatic connection when powered on, simple operation 12. Suitable for mobile phones, computers, tablets, speakers, amplifiers, cameras and other devices
1. 输入电压：5V 2. 麦克风电池容量：200mAh 3. 接收器电池容量：200mAh 4. 续航时间：12h 5. 信噪比：64dBM 6. 灵敏度：-42dB 7. 频响范围：20-20kHz 8. 传输距离：15-30m 9. 采用数字输出和模拟输出，可以使用8 Pin接口手机，3.5mm接口多功能一体多用 10. 自动降噪，混响，监听，外放，静音 11. 2.4G无线对联，开机自动连接，操作简单 12. 适用于手机，电脑，平板，音箱，扩音器，相机等设备
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