* Standard power: 3W*2 * Bluetooth V4.0+EDR support APTX codec * Bluetooth profiles:HSP,HFP,A2DP,AVRCP *Wonderful sound Feature*It's simply the smallest, best sounding wireless speaker and speakerphone*Go anywhere, go wireless*With a powerful, built-in microphone, it frees you to share crisp, clean-sounding conference calls anywhere-in the office, car, at home, alone or with a group *Bluetooth V4 ...