Waterproof Bicycle Light USB Charging With Horn | Speedometer mb scaler These glasses have an Ultra-photochromic

These glasses have an Ultra-photochromic coating that transitions to become dark when it gets light outside and translucent when it gets dark

Material: engineering plastic

HD Polarized which can more accurately restore color

Style A: 40721

Waterproof Bicycle Light USB Charging With Horn | Speedometer mb scaler These glasses have an Ultra-photochromicMaterial: engineering plastic Set parameters: Product size: 14x11. 5x4cm Product Description: Product material: ABS, surface treatment: spray paint, charging time: 2 3, discharge time: 3 hours, always bright, The code table usage instructions are as follows ODO is the full mileage, DST one way kilometers, MAS maximum speed, AVS is the average speed TM is the riding time. It can be equipped with mobile charging treasure for continuous life, new lights