Smart Watch Blood Pressure Oxygen Monitoring Health Multifunctional Bluetooth

Product information:
Screen size: 1.28 inches
Interface: USB 2.0
Screen material: TFT
Wearing method: wrist strap
Compatible system: fully compatible
Wireless distance: 5m (inclusive) -10m (inclusive)
Battery capacity: 350mAh
Operation mode: touch + button
Product size: 57.2*49.5*16.2mm
Screen resolution: 240*240
Wristband material: silicone
Strap size: 28mm and below
Color: black
Life time: 7 days or less
Charging method: magnetic charging cable