2.4Gz wireless headphones with 3.5mm interface with USB transmitter interface High-performace lithium-ion polymer battery 2.4Ghz digital wireless headphones headsets earphones with USB transmitterBasic key-presses functions, Power switch button, the code key, Volume+, Volume-Frequency response 20Hz~20kHz;SNR: 90dBDistortion: ≤1%Operating voltage: 3.3-4.2VElectric current 65mAMaximum output power ...
