Bluetooth Connectivity :Connects to your device wirelessly via Bluetooth, eliminating the need for cords and cables. Portable Design :Compact and lightweight, making it easy to take with you on-the-go. Colorful LED Lights:The speaker has colorful LED lights that add a fun and vibrant touch to your music experience. TF Card and USB Input :Can be used with both TF cards and USB, making it versatile and convenient. Features: 1.Unique crack appearance, LED colorful lights bluetooth speaker. 2. Bluetooth wireless transmission, supporthands-free calling. 3. Support U disk, TF card,audio 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. Material: ABS.Power supply mode: 5V; built-in battery (300 mAh).Effective power: 3W. Transmission range: up to 10 meters (The data is measured in open and unobstructed areas,walls and buildings may affect signal transmission).