... XP/Vista/7), Apple Macintosh; Working for many brand Bluetooth A2DP mobile phone. Portable Bluetooth Speaker design for iPhone 3G/4G ... )Backward compatible: V2.0,V1.2,V1.1 standard, Support A2DP,AVRCPWith 3 buttons: Prev/vol-, Play/Pause, Next/vol+ ;Compatibility ... XP/Vista/7), Apple Macintosh;Working for many brand Bluetooth A2DP mobile phone included: iPhone 3G/4G/ Apple iPad/iPad2.Frequency ...