Feature: 1. FIVE PLAYBACK MODES: Wireless Bluetooth soundbar supports five playback modes: Bluetooth, sound cable, U disk, memory card, FM radio, one key switch. 2. BLUETOOTH 5.0: Bar speaker built in Bluetooth 5.0 chip, effectively reduce playback delay, stable connection without lag, playback without delay, support wired and wireless Bluetooth connection, applicable to cell phones, computers, TVs and other devices 3. DUAL SPEAKERS AND DUAL DIAPHRAGMS: Dual speakers dual bass diaphragm cavity combination, bursting with amazing 4D sound, HiFi sound quality. 4. 360 DEGREE SURROUND SOUND: Precisely tuned surround sound, so that the sound always lingers in your ears, experience a more vivid and shocking theater grade panoramic sound. 5. BUILT IN LITHIUM BATTERY: Bluetooth soundbar built in 1200mAh premium lithium battery with safety protection, fast charging and long battery life. 6. NOISE REDUCTION: Intelligent anti magnetic noise reduction technology, to avoid mutual interference with other electronic products in the surrounding environment, to eliminate current noise. Specification: Item Type: Bar Speaker Material: ABS Battery: 1200mAh 18650 Type Lithium Battery (Shipped with Built in Battery) Ships Without Memory Card . Package List: 1 x Bar Speaker1 x Data Cable1 x Instruction Manual