... and AVRCP profile4, Excellent audio quality with Powerful base 5, RF range is up to 10M6, Support iPhone, ... Specification : 2.1+EDRBluetooth Profile : A2DP AVRCPRF Range :10 mFrequency Response :100Hz-20KHzLoudspeaker Output :3WSignal-To-Noise :≥75dBDistortion ... Manual 1x Hand rope Details show: X3 small speaker for bluetooth cell phone for Mobile Phones,MP3,MP4,PSP,Laptop,Desktop ...