... Mini Bluetooth V2.1 Stereo Headset Headphone for Iphone 4,4s,5,Ipad,PC,PS3 and TV Our catalog ... VersionV2.1TypeStereo headphone with internal micOperation Distance10mRange of Frequency2.4 to 2.4835GHz ISM bandSensitivity85dBPC InterfaceUSB2.0Music FormatMP3 at WMAStandby ... Can be easily connected to iphone,ipad,PC,cellphones etc.4.Remote playback control function:play/pause, prev/next, volume ...