Blood Oxygen Sleep Monitor Smartwatches

Material: zinc alloy+IML plastic PC case+anti-static silicone strap
Battery Capacity: 230MA
Strap:Anti-Static Silicone Strap
Bluetooth Version: 5.1
Display:1.83 Inch Square Screen
Resolution 240*284 Dpi
Water Proof:IP67
Charging time: 2.5-3 hours
Theory Standby time: 10-15 days
Packing list: 1* Smart Watch