ECG Bracelet Heart Rate Blood Pressure Blood Oxygen Monitoring Waterproof Sports Pedometer Smart Bracelet DescriptionBluetooth version: Bluetooth 4.0
Built-in chip: Nordic nRF52832
Waterproof rating: IP68
Wristband material: TPU
Screen size: 1.4 inch IPS color screen
Screen type: TFT
Operation mode: touch, raise hand display
Battery capacity: 150mAh
Battery type: polymer lithium battery
Life time: 5 days
Charging time: about 1~2 hours
Charging method: USB direct charge
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