m4 watch sport bracelet wristband waterproof Blood Pressure Heart Rate Monitor Hot Sells New Products m4 smart watch

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SKU: 0668 Category: Tags: ,

Description

B3 smart watch
It is the most popular sports watch on the market nowadays.

 

1, 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.

 

2, the bracelet is ergonomic design, coupled with low-sensitivity TPU material, fits the wrist curve, not only stylish, but also very comfortable to wear.

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