<p><b>Specifications</b></p> <p> </p> <p> </p> <p> Transmission Type:  2.4GHz </p> <p> </p> <p> Polar Pattern:  Omnidirectional </p> <p> Frequency Response:  20Hz-20KHz (±3dB) </p> <p> Distortion:  ＜0.1% </p> <p> Sampling Rates:  48kHz </p> <p> Bit Depth:  16Bit </p> <p> Signal-to noise ratio:  75db or more </p> <p> Sensitivity:  -42dB±3dB (1dB=1V/Pa@1kHz) </p> <p> Operating Distance:  20m(without obstacle) </p> <p> Power Consumption:  TX: 80mW RX: 60mW </p> <p> Working Time:  TX: 4.5 hours * two times  RX: 8 hours * two times </p> <p> Charing Time:  TX:2 hours   RX:2 hours  Charging Case:2 hours </p> <p> Charging Port(Charging Case):  Type-C </p> <p> Battery Capacity:  TX:100mA  RX:100mA  Charging Case:1000mA </p> <p> Size:   Charging  Case:120*77*30.5m(4.7*3*1.2")   TX:51.8*15.6*18mm(2*0.6*0.7")    RX:54*15.6*15.6mm(2*0.6*0.6")</p> <p> Weight:  TX+RX+Charging Case: 129g (4.5 oz)  TX：10.5g (0. 37 oz) RX：9.5g (0. 33 oz)</p> <p><b>Packling Lists</b></p> <p> </p> <p>  Charging Case</p> <p> Clip-on Minature Transmitter</p> <p> Professional Compact Receiver</p> <p> Type-C Adapter</p> <p> 3.5mm TRS Adapter</p> <p> 3.5mm TRRS Adapter</p> <p> Foam Windshield</p> <p> Fur windscreen</p> <p> 30cm/11.8"Type-C to USB-A Charging Cable</p>