Audio Components A9 Mini Speaker Bluetooth Wireless Car Dazzling Crack LED Lights Subwoofer Support TF Card USB Charging For PC Features: 1.Unique crack appearance, LED colorful lights bluetooth speaker. 2. Bluetooth wireless transmission, supporthands-free calling. 3. Support U disk, TF card, input. 4. Can be connected to computer, mobile phone, MP3, etc.(Need to purchase separately 2 in 1 cable to connect to computer) 5. Large capacity, large volume, high-pitched and powerful. Specification: Speaker type: bluetooth speaker. Material: ABS. Color: black, white, blue, red, green. Power supply mode: 5V; built-in battery (300 mAh). Effective power: 3W. Size: 6X6X6cm. Weight: 100g. Transmission range: up to 10 meters (The data is measured in open and unobstructed areas, walls and buildings may affect signal transmission).