【Safety Certified Motorcycle Helmets】Bluetooth modular flip up front motorcycle helmet complies with the DOT FMVSS-218 safety standard and has obtained all road traffic safety certifications in the United States. High-strength ABS shell and EPS cushioning layer can effectively protect your safety, It is an essential piece of equipment for your outdoor rides. 【Double Visor Motorcycle Helmets】 This Bluetooth motorcycle helmet features a dual visor design, the external visor is sturdy and elastic, with good impact resistance, while the large area design also maintains a wide field of view; The internal dark visor can protect the eyes from sunlight and can be hidden or opened 【Aerodynamic Design】 air circulation is more comfortable, three vents can easily solve the problem of stuffiness, and the light airflow helps the driver to keep cool and comfortable. Aerodynamic design reduces noise. The body of the helmet adopts a streamlined design, which reduces air resistance and makes riding more labor-saving 【Removable & Washable Liner: Stay fresh mile after mile. The soft, breathable interior and cheek pads are fully removable and machine-washable for lasting comfort and odor control. 【Bluetooth Earphones】This motorcycle Bluetooth helmet features high-quality Bluetooth technology, providing stereo bass surround sound quality, automatic answering, song playback, and active call noise reduction function. Super strong signal transmission, ultra-low power consumption, supports all Bluetooth devices, and can directly display battery level on the phone. Our helmet has excellent protection. It can provide you with the greatest degree of safety when riding outdoors, so that you can enjoy riding.We are also equipped with a professional online service team to solve the problem for you the first time, so that you have no worries ★Product details: Type: Modular Bluetooth Helmet Material: Sturdy and durable ABS shell Buffer layer: High-strength EPS buffer layer Weight: 1600g Safety certification: DOT/ECE Scope of application: Unisex Four Seasons General Recommended Uses For：for motorcycle, cruiser, touring, bicycle and scooter ★Bluetooth parameters: 1. Bluetooth version:V5.0+EDR 3. Transmission distance: 10M 4. Lithium battery:3.7V/500mA 5. Charging time:3 hours 6. Standby time:about 240 hours 7. Continuous working time:about 32 hours ★Package: Motorcycle Helmet*1 Bluetooth headset *1 Sweat-absorbent headgear*1 ★If you are satisfied with my product, I hope you can give us a comment. This is important not only to me, but also to other friends who need this product. ★If you have any questions, please contact us in time, We will solve the problem for you within 24 hours