Features: brand new and high quality It can be connected to for smart devices with wired/wireless, using USB-B interface to charge, 3.5mm audio cable connected to TV, suitable for various devices such as TVs, PCs, laptops and for smart phones. With built-in 2000mAh lithium battery, you can move it where you want. Bluetooth-compatible 5.0 can ensure fast pairing, compatibility with various devices, and has 10m operating rang. You can also use AUX, TF card, USB flash drive to for play music, so you can enjoy music even without a bluetooth-compatible device. The changing color lights make your sound bar unique. The changing lights are linked with the music being played. There are 4 different lighting dynamic modes, and the lights can also be turned off. With 4 external magnetic speakers, which can provide powerful sound. The rich sound meets the enjoyment you want. It is also equipped with an FM radio receiver. Remote control:The exquisite and small remote control can control for play and stop, volume, light switch and light change mode, making it extremely convenient for you to control the sound bar. Specifications: Input Voltage: 5V (USB-B) Lithium Battery: 3.7V 2000mAh Material: Fiberboard + PC Speaker Power: 5W Number of Speakers: 4 Frequency: 80-16000Hz Distortion: < 3% Signal Shielding:> 75dB (A weight) Control Mode: Remote Control / Button Remote Control Distance: 6m for Protection Level: IP20 Working Temperature: -25C-40C Size: 43.5x6.5x6cm/17.13x2.56x2.36in Color:Black Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Speaker 1x Remote Control 1x 3.5mm Audio Cable