... frequency ---2.4GHz 3.Wireless communication range--10 Meters 4.System frequency---RF New 2 ... .4GHz headphone 1.2.4GHz wireless, up to ... chat in Skype,MSN,Yahoo Messenger4.USB wireless transmitter dongle, plug,play,easy to use5 ... in of the headphone. SpecificationsProduct name : Wireless headphoneconnunication frequency : 2.4GHzsystem frequency :RFwireless communication ...