This watch is an M5Core watch set. In addition to being a powerful development hardware, the M5Core has a sophisticated look that gives it the possibility to wear. The kit is designed for the M5Core series. Compared with the old 3D printing base, the new model uses a mold, which has a qualitative improvement in appearance and quality. In addition to the cool strap, it is also equipped with a 700mAh lithium battery, allowing users to have sufficient reliable endurance while using the device. 

Note:

• Does NOT work with the M5Stack Core2
• The Core is NOT included but can be found here