Deep & Perfect Sound QualityOur sound bar is designed with four 52mm/2.05in(about) external magnetic speakers to provide powerful 20 watts of high-power sound. Outstanding rich sound quality brings you a feast for the ears, and it is also equipped with an FM radio receiver. Remote ControlThe small remote control can used for play and stop, volume control, turning on or off light and lighting changing mode, which makes it convenient for you to control your Sound Bar. Wireless ConnectionWireless pairing version 5.0 can ensure fast pairing, and compatibility with various devices. This sound bar has 10m wireless pairing support for seamless streaming. You can also use AUX, TF card, USB Flash Drive to play music, so you can enjoy music even without a device that supports wireless pairing function. Color-changing LightsColor-changing lights make your Sound Bar unique. The changing lights are linked with the music being played. There are 4 different dynamic lighting modes, and the lighting effect can also be turned off. Easy to UseThis sound bar can be connected to smart devices via wired/wireless mode, using USB-B interface for charging, 3.5mm audio cable for connecting to TV, suitable for various devices such as TV, PC, laptop and smart phone. The built-in 2000mAh lithium battery gets rid of trouble caused by wires, and you can move it where you want. Features: Color-changinglightingeffect:3automaticcolor-changingmodes+1color changingmodeaffectedbytherhythmofthe music. Multipleplaybackmodes:1.Wirelesspairing;2.AUX;3.TFcard;4.TV;5.USBFlashDrive Radiofunction:87.5108.0MHz Built-inlithiumbattery,freetomove. Specifications: Inputvoltage:5V(USB-B) Lithiumbattery:3.7V2000mAh Material:fiberboard+PCplastic Speakerpower:5W Numberofspeakers:4 Frequency:80-16000Hz Distortion:75dB(Aweight) Controlmode:remotecontrol/button Remotecontroldistance:6m Protectionrating:IP20 Workingtemperature:-25C-40C Productsize:about435*60*65mm/17.13*2.36*2.56in Productnetweight:about0.712Kg PackingList: 1*SoundBar