... :*Scope: <10 meters of wireless communication (consistent with the Bluetooth protocol specifications CLASS 2)*Transmit power: Class2 less ... *Bluetooth version: compatible with V2.1, V2.0, V1.1 and V1.2 standard.*Bluetooth protocol support: A2DP, AVRCPWireless bluetooth speaker ... user manual 4.Quality product service provided, OEM&ODM welcomed.If you order certain amount of bluetooth speaker,we can ...