Xiaomi Smart4u IPX4 Waterproof Bicycle Matte Smart Flash Helmet with LED Back Light
1. Safety: One-piece molding process, the United States imported PC and EPS raw materials, making the helmet more secure.
2. Intelligent lighting: 7 high-brightness LED back lights automatically light or standby according to the intensity of light, and the visible distance is over 180 meters.
3. One button to control three lighting modes: shortly press the switch button to switch the light mode after booting: tide mode (light sense), flash mode (light sense), strobe mode (normally on).
4. Good ventilation effect: according to the aerodynamic principle, 12 wind holes for ventilation and comfort.
5. Long battery life: charging once, battery life can last for 36 hours, standby for 180 hours.
6. A wide range of applications: electric bicycles, electric scooters, balance vehicles, roller skating, bicycles, etc.
Color: pink (M), blue (M), black (L), white (L)
Lining color: grey
Helmet material: EPS+PC
Number of LED lamp beads: 7
Lighting effects: flashing lights, tidal lights, strobe lights
Battery 3.7V 455mAh
Life time: about 36 hours in the lighting mode
Standby time: about 180 days
Charging time: about 3 hours
Electrical parameters: DC 5V/1A
Waterproof rating: IPX4 waterproof
Weight: 370g (M), 380g (L)
Head circumference: 54-58cm/21.3-22.8″ (M)
Product size: 275 x 214 x 159mm/10.8 x 8.43 x 6.26″ (M)
282 x 224 x 160mm/11.1 x 8.82 x 6.30″(L)
Suitable head width: ≤15.5cm/6.10″ (M); ≤16.6cm/6.54″ (L)