Rechargeable wireless microphone type C connector KSC-1106 Characteristics Model: KSC-1106 Transmission protocol: 2.4G wireless Chip: JL6973 Transmission distance: ≥10 meters, Mode: Support noise reduction, mute Battery: 85mAh Usage time: about 8 hours Sound delay: ≤25ms -38 dB ± 3 dB omnidirectional condenser microphone Frequency Response: 20Hz-20KHz Sampling rate: 44.1KHz Signal-to-noise ratio: ≥70 dB Working current ≤ 12 mA Shutdown current ≤ 20uA Adaptive Voltage: 5V/1A Size ：50  * 15  * 15mm Smartphone connector: USB type C Instructions 1 Power on: Press and hold the power button of the microphone transmitter for 3 seconds to turn it on 2 Pairing: Automatically searches the receiver for pairing after booting (the receiver will be connected to your cellphone) - blue light flashes 3. Pairing successful : The blue light is always on 4. Power off: Press and hold the power button for 3 seconds, the indicator turns off 5. Mode switching: Short press the power button to switch to noise reduction mode (blue light), to the original sound mode (green light) 6. Silent mode: double click the power button, the red and blue lights flash to indicate the silent mode has been activated, double click the power button to cancel the silent mode