Built-in 2000mAh lithium-ion battery Model Number: L550 Best Use: Climbing,Fishing,Camping,Hiking,Travel Features: Waterproof,Rechargeable Functions: Long life,Bright and no Stroboscopic Materials: ABS

Features: – Receive wireless speed, cadence, heart rate signal at the same time, and consume small power, anti-interference, accurate distance

Main Features: – 3D laser eyes, bright color, shining powder, hard plastic body, soft tassel, and sharp hooks, make the