The product description
2: weight around 33g 3: adaptive pipe diameter 31
⑤ For smartphone applications
6) Electric quantity display
9) Over-charge and over-discharge protection to prevent battery damage or life reduction
Xos Chest strap X1, Heart Rate Sensor, Bluetooth, ANT +, Wireless, Health, Fitness, smart bike Sensor colour:black The product description) 1: material: high strength nylon and glass fiber, 2: weight around 33g 3: adaptive pipe diameter 31. 8mm4: adaptive Jiamin, Walker, Magin, IGP Q&A Welcome wholesale and consignment For wholesale, we offer discounts and suggest the best way to get there in a short time. For agent shipping, we can ship the product directly to your customer without leaving any information about us if you wish. What should I do if I don't receive my items? Please