2.4G wireless headset for PC,TV,MP3,MP4 and other audio equipments, realized wireless networking talk This product ... Play/Pause,Previous/Next easy and convenient to operateWireless connect with PC,TV,MP3,MP4,iPhone,iPad and other audio equipments, enjoy ... .7V rechargeable Li-ion batteryApplied ergonomics design wearing beautiful,comfortable and convenient RF frequency: 2.4GHZ ISM Band Support system: ...