Features: Fashion crack pattern mini speaker matching with smart LED colorful lights. Delicate and cool, full of personality and make your speaker more attractive. Compact size and delicate appearance suitable for you to listen to music in the car at home/office/bedroom or when walking outside. Bluetooth wireless transmission Support TF card auto play function Support audio output, can connect computer, mobile phone, MP4 and other audio interface. Specifications: Material: ABS Adjustment mode: key press Functions: Bluetooth audio input, LINE IN, TF card. Power supply mode: DC 5V Effective power: 3W Speaker unit: 45MM Frequency: 90Hz-20KHz Audio interface: 3.5MM Impedance: 4 ohms Play time: 2Hours Bluetooth version: Bluetooth2.1 Working frequency: 2402-2480MHz Transmission range: 10M Size: 60*60*60mm Color: white/pink/blue/black/purple/green Package included: 1 x Bluetooth Speaker Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!