... battery 2.1 HiFI subwoofer mini bluetooth speaker with SD card/USB/FM radio/Aux port/remote control (ADP-028BT) 1. 2.1 super subwoofer with bass2 ... 7. High sensitive Bluetooth function,receives signal 10 miles awayKey Functions: Special Feature: Wireless, HiFi ,Subwoofer,FM radio,USB,Aux, ... AVRCP,FTP ,HS/HF,DUN ProfilesRMS Power7W*2+15w*1, quality speaker,supper bassInput Power DC 5v Input wayBluetooth ...