Tomtop has New Xiaomi Smart4u Waterproof Bicycle Smart Flash Helmets for $36.99 with free shipping. You can save $36.86 at checkout. Sale ends in 16 days.
- Integrated PC shell for great impact resistance and EPS foam for great buffer action, dual protection ensures great safety during sports.
- 12 intake and exhaust vents create a air circulation system to keep head cool and comfortable.
- Superior absorbent and washable lining for comfortable wearing experience and detachable for cleaning.
- Built-in rechargeable taillight with tidal lighting, strobe and fast flash, and automatically sense the brightness of environment and lighting for safety, and lasting lighting for about 36 hours.
- Rotate the adjustor for proper tightness and head circumference is 22.4-24.0in(L) / 21.2-22.8in(M) .
- Only 13.2oz