Easy to Use: This sound bar can be connected to smart devices via wired/wireless mode, using USB-B interface for charging, 3.5 mm audio cable for connecting to TV, suitable for various devices such as TV, PC, laptop and smart phone. Wireless Connection: Wireless 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 Lights: Color-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.