... technology, laser-tuned audio drivers deliver pristine, uncompressed, stereo sound reaching nearly audiophile caliber quality. Noise-cancelling ... White color Wireless headphone; Motile, portable, Use for mmultimedia PC, etc. Operation distance up to 15M System: FM with ... 70dBPowerBuilt-in chargeable 150mAH lithium batteryworking5 hours Wireless Headphone w/Volume Control Mute Feature, 2.4GHz (DA601)