LED Luminous Shoulder Strap USB Charging

Product information:  

Product size: 3.5 (58-82) cm
Battery box color: black
Glowing color: green
Luminescent mode: fast flashing slow flashing constant on off (controlled by switch ON/OFF)
Battery driver: polymer lithium battery
Material composition: elastic band+LED controller+optical fiber+reflective film

Product features:
This product can be controlled by humans, with a rechargeable USB charging elastic shoulder strap. The LED light effect not only serves as a safety warning symbol, but also adds a fashionable and cool feeling to you. The product is convenient for us to use during running, cycling, mountaineering, camping, exploration, and skiing. Enhance safety awareness.