... CE and ROHS Newest slim 2.4G wireless headphone with mic Features of 2.4G wireless headphone2.4GHz uncompressed sound intact 2-way transmissioninvisible microphone10meters distance Mini ... :black, blue,yellow,grey,pink Parameter of 2.4G wireless headphone Drive unit30mmImpedance16ohmSensitivity108dBFrequence20-20KHZ This 2.4G Hz wireless headphone use for computer/game,plug in ...