Smart Watch with Bluetooth Calling and Fitness Tracking – Heart Rate, Sleep and Activity Monitor Color:Black Keyboard interface: USB

Keyboard interface: USB

Use: brush dipped in paint

Weave: Rib

Is there a light: no

The 43F is equipped with electronic contacts

Smart Watch with Bluetooth Calling and Fitness Tracking – Heart Rate, Sleep and Activity Monitor Color:Black Keyboard interface: USBProduct information: Color: black, silver Packing List: charger Applicable people: women, men, teenagers, adults, elderly Operation mode: touch button Screen Type: AMOLED Battery life: upto 7 days Functions: Waterproof, step counting, heart rate monitoring, Bluetooth calling, smart reminder, sleep monitoring, blood oxygen detection, sugar, ECG, and heart health ECG: Wear the watch snugly on your wrist so the back sensor touches your skin. Start ECG