Blood Oxygen Monitoring Message Reminds Sports Phone Watch $ 29.35 Product information: Applicable platform: fully compatible Screen size: 1.32 inches Interface: USB 2.0 Screen material: tempered glass Wearing method: wrist strap Compatible system: fully compatible Communication function: support Wireless distance: 5m (inclusive) -10m (inclusive) Battery capacity: 230mAh Operation mode: touch + button Screen resolution: 360*360 Wristband material: silicone/belt Strap style: sporty Compatible platform: ANDROID Strap size: 28mm and below Color: black, all black leather, silver gray leather, silver brown leather Packing list: Host 1 Charging cable 1 Manual 1 Color box 1