Smart Watch With Heart Rate ECG & Offline Payment Color:Vinyl The device comes with a

The device comes with a built-in 730mAh battery

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Blood oxygen monitoring: support

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Smart Watch With Heart Rate ECG & Offline Payment Color:Vinyl The device comes with aProduct information Applicable platform: Fully compatible Supply category: Spot Applicable people: Adult Screen size: 1. 54 inches Interface: USB 2. 0 Camera: None Body memory: 4MB Wearing style: wrist strap Compatible system: iOS platform Additional features: audio and video entertainment, step counting, monitoring, smart reminders, health monitoring, information push Wristband material: stainless steel Product weight: 55g (g) Packing list Smart