1. Material: ABS + Silicone
2. Battery capacity: 180mAh
3. 180 mAh large battery lower power consumption and long-lasting life
4. Bluetooth 5.3 chip, reduce power consumption, 10 meters without disconnecting, anti-interference strong
5. IP6 waterproof, outdoor riding without fear of bad weather
6. Unlimited models of cell phones, full compatibility
7. Multi-scene application, easy to pass through all kinds of bumpy roads
8. Size: 86 x 16 x 56.5mm