Senbono Hw33 1.69 Inch Full Touch Screen Gps Positioning Wristband Body Temperature Heart Rate Blood Oxygen Monitor 30 Days Long Standby Smart Watch 6900917427904

Specification Brand SENBONO Model HW33 Chip nRF52840 Bluetooth Version BT 4.0 Compatible OS Android 4.4 or above; iOS 8.2 or above Operating Mode...