【Product features】1. ABS helmet body, high impact resistance, heat resistance, low temperature resistance.2. High density EPS buffer layer, to reduce the impact of cushioning.3. US: DOT certification, EU: ECE 22.05 certification standard.4. Bluetooth motorcycle helmet : Bluetooth headset can be paired with mobile phone. Therefore, you can seamlessly switch between call and music while driving internal calls.5. Aerodynamic ventilation system, noise reduction design.6. Comfortable inner lining, removable lining.7. Double lens hemlet, anti-glare, anti-UV.8. Reflective material at the bottom of the helmet, safer during driving.【Product specifications】Name: Bluetooth Modular Motorcycle HelmetMaterial: ABS plastic shell + EPS foam buffer layerWeight: 1750gApplicable gender: men and womenApplicable age: adult and youthLining: Removable and comfortable lining【Package contains】1 * Bluetooth Modular Motorcycle HelmetNote:The measurement of the helmet size is a manual measurement, there may be an error of 1 ~ 2 cm.If you are not completely satisfied with our products, please contact us, customer service will serve you within 24 hours!