... ear hook, more comfortable to wear, solid;3.omni-directional condenser capsule with a full range pickup, vocal ... 1kHzPaired Method:automatic pairedFrequency Response:20-20kHzTransmission Method:bi-directional 2.4GPower Supply:Li-ion batteryCurrent:0dBm < ... /10dBm 100M/17dBm 200Receiver(1piece)Transmission Method:bi-directional 2.4GPaired Method:automatic pairedAudio Output:mixed outputFrequency ...