1.With BTS 5.0 wireless version, built-in 2000 mAh high-capacity battery, extra-long music playback time.2. Stunning audio experience with 4 inch*2(diameter 102 mm) subwoofers for immersive gaming/music experience.3. Support BTS wireless connection for mobile phone/laptop/ipad/PC, support TF card and AUX audio input, Supports wired microphone input.4. Support TWS connectivity technology, which can connect 2 speakers to the same BTS device to play music and experience the ultimate stereo sound effect (refer to the packaging manual for the connection method).5. Supports 7-color LED lighting, which can adjust various music rhythm effects.(Note: In FM radio mode, the LED light will not light up)