Smart Watch Display Screen Bluetooth Calling Health Fitness Tracking

Product information:
Color: gray, pink, blue
Package List: 1 x Btalk 3 Pro,1 xusb charging cable, 1 x Box, 1 x User Manual
Applicable people: Adults
Battery capacity: 260mAh
Operation mode: touch button
Screen Type: AMOLED
Product Size: 45.2x 46.6 x 10.3mm
Functions: heart rate monitoring, Bluetooth calling, blood oxygen detection