Friendly reminder Driving a motorcycle without a helmet is very dangerous. He also violates traffic rules. In order to better fulfill your purchase, please measure the actual value of your head circumference before purchase. If you back out, you are wasting your valuable time.

This helmet has qualified DOT certificate, if you need it, please feel free to contact us, we will send the DOT certificate to you.

Product Features
1. polymer carbon fiber material, crash and impact resistant.
2. high quality liner, sweat-absorbent, removable, not stuffy for long time use. 3. PC visor, anti-fogging.
3. PC sunshade, anti-fog, anti-rain, anti-HD UV. 4.
4. Designed according to aerodynamic principle, breathable and can always hold your head comfortably.
5. Certification: DOTFMVSS-218 certified

Type: Motorcycle Hood
Material: ABS ABS
Size: S: 21.65-22.04 inches (55-56 cm)
S: 21.65-22.04 inches (55-56 cm)
Medium: 22.44-22.83 inches (57-58 cm)
Large: 23.22-23.62 inches (59-60 cm)
XL: 24.01-24.41 inches (61-62 cm)
XXL: 24.80-25.19 inches (63-64 cm)

Gender: Male Neutral
Weight: about 1500 grams
Head circumference: between 55-64 cm

Bluetooth parameters: transmission
Distance: 1OM MIC
Distance: less than 1 meter
Lithium battery: 1200mAh
Charging time: about 2 hours
Standby time: about 80 hours
Continuous working time: about 30 hours

Package includes 1x helmet

1* Independent Bluetooth headset

1* Independent tail

1* Windproof face shield

If you have any questions, please email us, our customer service team will reply you within 24 hours and provide you with the best solution!