K21 Color Screen Spo2 And Body Temperature Monitoring Smart Bracelet

Product Information:
Screen size: 1.3 inches
Interface: USB 2.0
Body memory: 64+512KB
Screen material: alloy
Wearing style: wrist strap
Compatible system: fully compatible
Wireless distance: 5m (inclusive) -10m (inclusive)
Battery capacity: 230MAH
Operation mode: touch + button
Product size: 45*45*10.8
Wristband material: silicone
Strap size: L (suitable for 160-180 mm wrist circumference)
Color: pink, black, gray