Description: The 4 high-power speaker can help you get more powerful effect when playing music or movie. Bluetooth 5.0, clearer sound, faster connection, more stable transmission. Built-in 2000mAh rechargeable battery, super long standby up to 240 hours. Support TF card, U disk, 3.5mm, coaxial, with radio function, RGB colorful lights. Support infrared receiving port (with remote control). Specifications: Item name: Speaker Color: Black Material: Metal + plastic Bluetooth version: V5.0 Transmission distance: 8-10 meters Music playback time: about 3 hours Charging time: 2-3 hours Standby time: 240 hours Battery: 3.7V/2000mA Charging voltage: DC 5V/1A-2A Charging socket: micro 5pin (V8) Speaker power: 10W4 Note: - There might be little error of size for manual measurement. - Due to different lighting effects and monitor settings, the actual items color may not exactly reflect the color on pictures. Packing list 1 x Speaker 1 x Remote Control 1 x Charging Cable 1 x Audio Cable 1 x Coaxial Cable 1 x User Manual