Cycling Light Helmet Type-C Charging Electric Bicycle Helmet Front Light Rear Light Warning Lamp Safety MTB Bike Helmet Color:Black-Red you should turn the switch

you should turn the switch on before use

Feature 10: mobile phone holder

Decoration: Tassel

{"length":{"cm":"40"

(please contact seller first)

Cycling Light Helmet Type-C Charging Electric Bicycle Helmet Front Light Rear Light Warning Lamp Safety MTB Bike Helmet Color:Black-Red you should turn the switchSPECIFICATIONS Age: (Adults) Men Air Vents: 8 15 Brand Name: ROCKBROS Certification: CE Charging Method: Type C Dimensions: 26. 5*21*14cm Gender: Unisex Head Circumference: 57 61cm Hign concerned Chemical: None Material: EPS,PC+EPS Model Number: ZK 077 Origin: Mainland China Type: Light Helmet Warranty: 1 year Weight: 340g Weight (g): 340g PRODUCT INFORMATION Brand: ROCKBROS Product name: Safety Warning Helmet Item No. ZK 077 Material: PC+EPS Head