1. Material: ABS+stainless steel+aluminum alloy
2. Voltage: 12V
3. Rated power: 20Wx2
4. Speaker size: 2.5 inches x2USB
5. Output: 5V 2A
6. Speaker sensitivity: 90DB
7. Function: MP3 (USB/TF); standby electric speaker Bluetooth (answer calls); mobile phone charging; English FM
8. Connect the yellow wire to the positive terminal of the motorcycle battery
9. Connect the black wire to the negative terminal of the motorcycle battery
10. X-shaped lock, easy to hold and charge the mobile phone
11. USB waterproof cover design, dustproof and waterproof
12. Answer calls with one click, bringing you more convenience while riding
13. Speaker cable length: 55.5cm
14. Host cable length: 96.5cm