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$55.30
Screen: IPS color screen
Resolution: 240*240
Bluetooth version: BLE 4.0
Memory: 32M
Battery capacity: 180 mAh
PPG chip: HRS 3300
Sensor: Three-axis gravity sensor
System requirements "Android 4.4 and above, iOS9.0 and above, support Bluetooth 4.0
Collections: jewelry & watches
