Mountain Bike Night Riding Warning Lamp Bicycle USB Charging Tail Light

1. Material: ABS+PC
2. Charging interface: USB
3. Battery capacity: 330mAh
4. Mini and compact, lightweight design, no burden on riding
5. Ultra-long battery life, built-in polymer battery
6. Waterproof design, outdoor riding without fear of bad weather
7. Rubber waterproof switch, press to switch modes
8. USB charging interface, compatible with a variety of devices
9. High elastic rubber fixation, leaving the constraints, suitable for different thickness of seatposts
10. Mode: strong light – slow flash – flashing – fast flash
11. Size: 7 x 1.9 x 1.7cm
12. Weight: 24g