... 10m away. 2) Elegent powerful bass 3) Built-in rechargeable Li-ion battery 2.1 HiFI subwoofer mini bluetooth speaker with ... , OutdoorMaterialABSChannels2SolutionCSRBT Version V2.1+EDRBluetooth Operation Range receives the signal UP to 10m awaySupport ProfileOPP,OBEX,SPP,A2DP, AVRCP,FTP ... cooperation and visit !!! 2.1 HiFI subwoofer mini bluetooth speaker with SD card/USB/FM radio/Aux port/remote control ...