Smart Bracelet Bluetooth Call Multi-function Sports

Product information:

Screen size: 1.3 inches
Battery capacity: 400mah
Body memory: 128MB
Wearing method: wrist strap
Operation mode: touch
Wireless distance: 5m (inclusive) -10m (inclusive)
Communication function: support
Function: Waterproof, step counter, heart rate monitoring, Bluetooth call, smart reminder, sleep monitoring, blood oxygen detection