M4 Color Screen Smart Bracelet Step 90Mah Battery Over Uv Dispensing True Heart Rate Ip67 Waterproof 4 Generation Usb Line world map necklace 5 cm-1 cm longer than

5 cm-1 cm longer than feet length

Package size: 23*16

Strap material: leather

And bring a pleasant shopping experience to yours

Material: 100% organic cotton

M4 Color Screen Smart Bracelet Step 90Mah Battery Over Uv Dispensing True Heart Rate Ip67 Waterproof 4 Generation Usb Line world map necklace 5 cm-1 cm longer thanM4 Color Screen Smart Bracelet Step 90Mah Battery Over Uv Dispensing True Heart Rate Ip67 Waterproof 4 Generation Usb Line Features: 1. Real time heart rate monitoring: all weather heart rate monitoring, 24 hour continuous recording allows you to keep abreast of heart rate status 2. Real time monitoring of blood pressure and oxygen: Put on a bracelet and measure blood pressure and oxygen directly, and display Lou number on the screen. It can be viewed