205L heart rate waterproof bracelet

Applicable platform: fully compatible
Applicable people: business, old people, adults, fashion, the public
Interface : USB 2.0
Camera: 1.3 million pixels
How to wear: Wristband
Additional features: health monitoring, smart reminders, monitoring, sleep analysis, step counting
Wireless distance: 5m (inclusive) -10m (inclusive)
Mode of operation: touch + button
Wristband material : PU