Features2.1 HIFI Speaker with two 3 in.
subwooferBuilt-in Bluetooth that can play music from any BT enabled phones or music players to this speaker system wirelessly100W Max output powerOutput clear sound and good bassWith SD/Micro SD card and USB Reader; can play MP3 music directlyWith AUX input, suitable for computer, Smart Phone, any audio player deviceBuilt-in FM Radio Receiver with auto scan and memory function.full range speakers and a 4 in.Dual Power: 110v AC/12v DC Plug and Built-in lithium rechargeable BatteryAfter fully charged, can play music up to 6 hours and listen to radio 12 hoursWith 110v AC/12v DC Adapter Plug; output 5A/1500mA Portable Bluetooth Speaker System & Music Player.