DOT Certified Bluetooth Flip-Up Motorcycle Helmet

External Bluetooth headset Motorcycle helmets with Bluetooth headsets can be paired with mobile phones. Listen to music, automatically answer calls, FM radio, etc. The easy-to-install, high-quality stereo system allows you to seamlessly switch between calls and music while driving. Material The motorcycle helmet shell adopts ABS helmet body, which has high impact and heat resistance. The high-density EPS-filled foam layer in the helmet provides higher shock absorption performance, so it can absorb shock more effectively and protect the head. Ventilation system Fully adjustable sun visor and face ventilation device, highly aerodynamic shell design, rear exhaust holes can maximize air circulation, best air circulation, can bring driving pleasure, clear vision, comfortable head, warm in winter and cool in summer. Double layer sun visor Sun protection and anti-glare lenses can effectively block glare during the day; Reduce glare at night. The all-day high-definition lens is clearly visible and protects your eyes from sand and dust. Comfortable inner lining and padding Use soft and comfortable breathable fabric to protect your head. Completely removable and washable inner liner and padding can keep the helmet clean, fresh and odor-free. Security certification We are DOT certified for road bikes, cruisers, scooters and other outdoor activities where a helmet is required. ************************************************** Helmet specification: Item Type:Helmets Material:ABS Gender:Unisex Helmet Style:Full Helmet Size: S (55-56CM), M (57-58CM), L (59-60CM), XL (61-62CM) Bluetooth feature: Uses the latest Bluetooth EDR technology, super signal transmission, ultra low power consumption, and all Bluetooth devices. Supports auto answer function, no need to answer the call manually anymore, safe and fast. Supports previous/next song, volume +/-, play/pause, automatic callback and other functions, simple operation and convenient use. Built-in 500mAh high capacity battery, CSR8635 chip. Bluetooth version: V4.0+EDR Frequency range: 2.4026GHz-2.480GHz Transmission distance: 10m (Transmission distance is different due to environmental factors and different mobile phone Bluetooth devices) Microphone distance: 1m Lithium battery: 3.7V/500mA Charging time: 4-5 hours Standby time: about 180 hours Continuous working time: about 32 hours Product features: listening to music, answering incoming calls, voice guidance, voice calls. Package included: 1x Bluetooth Helmet Note: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you!