Green lion GLM-Wireless Mic Lite

Green lion GLM-Wireless Mic Lite Environmental Nois Cancellation -100mAh(transmitter) 800mAh(charging case) Battery capacity -2.4Ghz Digital Frequency Frequency -20Hz-20kHz Frequency Response -Up To 20m Transmission Range -2x Microphones 1x Receiver -48kHz Sampling Frequency -Up To 7h Working Duration -21 Hrs with Charging Case -Compact & Portable -360° Pick up