?Brand and Service? KRACESS spent 3 years developing this adult smart cycling helmet, with a utility model patent, for the majority of cycling enthusiasts escort.If you encounter any problems during use, please contact us in time to help you solve your worries. KRACESS provides one-year after-sales warranty service, you can buy with confidence. ?Safety Protection? The Shell adoptes PC+EPS in the film forming process, super comfortable, lightweight, have greatly enhanced the helmet impact resistance, provides safer daily work on the road. Using magnetic-replaceable goggles with removable windproof ear protection,the helmet is comfortable for most head circumferences of 21.65-24.4 inches. ?Security Lights? The helmet can automatically sense acceleration / deceleration / fall, and alert the rear vehicles with highlight warning light.Installing the remote control on the vehicle handle can actively control the left and right turn signal lamp / double signal.Within 150 meters at night, other drivers are also clearly visible, making the ride safer. ?Bluetooth Smart Helmet? High-quality stereo sound, built-in loudspeaker and windproof microphone, can make calls/play music/voice navigation clearly.Beautiful music enhances your riding pleasure. Helmet waterproof to ipx5 levels, you can ride in the Rain ( For your security, do not running for a long time in the rain ). ?Driving Recorder? KRACESS Upgraded camera with 4G all-glass lens, video effect greatly improved,equipped with an IP Full HD 1080p Front Camera, can be used as a driving recorder or an action camera. The helmet supports a built-in memory card of up to 64GB. When the memory is full, it will be deleted automatically , to record the good scenery along the way, and share your journey with your relatives and friends.

Inner Material: Expanded Polystyrene. Item Dimensions LxWxH: 11.2 x 8.26 x 7.28 inches. Recommended Uses For Product: Cycling. Vehicle Service Type: Sport Bike, Cruiser, Off-Road Bike, Scooter, Street Bike, Mountain Bike. Outer Material: Polycarbonate. Model Name: KRS-1. Size: L-22-24.4". Age Range (Description): Adult. Color: KRS-1 Black. Brand: KRACESS. Date First Available: July 13, 2021. Best Sellers Rank: #24,612 in Electronics. Customer Reviews: 4.4 out of 5 stars 1,003 ratings 4.4 out of 5 stars. : B0999DCBSP. Manufacturer: ?KRACESS. Suggested Users: ?Unisex-adult. Brand Name: ?KRACESS. Package Weight: ?1.04 Kilograms. Item Package Dimensions L x W x H: ?11.5 x 9.5 x 8 inches. Item Weight: ?1.1 Pounds. Inner Material: ?Expanded Polystyrene. Item Dimensions LxWxH: ?11.2 x 8.26 x 7.28 inches. Recommended Uses For Product: ?Cycling. Vehicle Service Type: ?Sport Bike, Cruiser, Off-Road Bike, Scooter, Street Bike, Mountain Bike. Outer Material: ?Polycarbonate. Model Name: ?KRS-1. Size: ?L-22-24.4". Age Range (Description): ?Adult. Color: ?KRS-1 Black. Brand: ?KRACESS.