Bluetooth V2.1+EDR,class II,up to 10 meters ,Support A2DP,AVRCP,headset,handfree profiles. *Support ... power and precise highs for superb sound. *Vacuum-bass system. *MFB button for volume +/-, play,pause, ... paint case can be made in various color. *CE/FCC/RoHS compliant *MOQ 1K *Packaging: color box,100pc ... join to our team. Universal Bluetooth digital audio Digital audio console mini digital amplifier ...