Smart watch M3 M4 Fitness Smart Watch Activity Tracker Fit#bit Android iOS Heart Rate Women

Android M3 Smart Watch Factory 2020 Popular Mens Women Kids Sports Bracelets Wrist Watch Fitness Smart Band

m3 smart watch band
It is the most popular sports watch on the market nowadays. sports Bluetooth bracelet features a new upgrade, high transmission, high compatibility, high waterproof, user-friendly design, free color change, three standby interfaces, free switching, swimming waterproof, sports fitness, ECG test, can also measure blood pressure heart rate sleep Monitor your ECG and more to protect your health. the bracelet is ergonomic design, coupled with low-sensitivity TPU material, fits the wrist curve, not only stylish, but also very comfortable to wear.