... 1.New 2.4GHz headphone 2.communication frequency ---2.4GHz 3.Wireless communication range--10 Meters 4.System frequency---RF New 2.4GHz headphone 1.2.4GHz wireless, up to ... performance stereo music from PC3.2 Way audio chat in Skype,MSN,Yahoo Messenger4.USB wireless transmitter dongle, plug,play, ... for MP3/MP4 music(Wired)7.Rechargeable battery by USB cable,up to 5 hours continuous usage8.Fully media ...