Deity Pocket Wireless 24G Microphone Receiver And 25Mw Transmitter With One Button Pairing With Lav Microphone,Usb Cable,Trrs Cable (Black)SystemTransmission Type: 24gHz RF Frequency Band: 240024835MHz RF channel scanning: Auto-scanRange(distance): Up to 80mBitrateSampling Frequency : 24bit48KHz Battery Type: Lithium-Ion Rechargeable Battery Batter..