Now you purchase a replacement strap for your M3 or M4 Smart Fitness Watch, and in a variety of colours. The straps are easily replaceable and can be used to enhance the aesthetic appearance of the watch. Use a different colour strap for each day of the week. 

Features and Specifications:

Strap Material: Silicone 
Type:  For M3 or M4 Smart Fitness Watch
Important Notes: The Watch is not included