ROCKBROS Q1 Smart Bike Rear Light Waterproof LED Brake Light with 7 Lighting Colors Bike Phone Bags 2 cm Frame & Lens

2 cm Frame & Lens Material TR90 Frame + PC Lenses  Lens Type Photochromic Lenses（Polarised lenses are available on the gold colour only

crafted from fleece fabric

On one hand

Constructed from stretch fabric with a 3D ergonomic cut

ROCKBROS Q1 Smart Bike Rear Light Waterproof LED Brake Light with 7 Lighting Colors Bike Phone Bags 2 cm Frame & LensROCKBROS Q1 Smart Bike Rear Light Waterproof LED Brake Light with 7 Lighting Colors Ride smarter and safer with the ROCKBROS Q1 Smart Bike Rear Light. Featuring 7 lighting colors, including 5 flashing modes and a breathing mode, this waterproof LED light can be easily recharged via USB. Protect yourself and your bike with this essential cycling accessory. Features LIGHTWEIGHT Only 30g, this taillight is really light and portable that you can carry