Strap Material：Silicone Band/Nylon Band for choice. Vibration motor：0820 Welded wire motor. Watch features. Body Material：Plastic. Body Size：42.7 23.5 8. Button：Single Button. Incoming call reminder，Find the Bracele，Clock，Shutter，DND，OTA，24h Blood Oxygen，24h Blood Pressure，24h Heart Rate，Sleeping，Sedentary reminder，Code Scanning，Reset.
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