Noted: There are two colors of belt, orange and red. We would ship it randomly per our stock. Hope you can understand!
Core BOTTOM is the bottom part of M5Core, M5Basic and M5 GRAY, with M-BUS socket and extend pins on the side, also include a Lipo battery . If you want to buy these bottoms separately, you can get it from here.
Nice product, very fast delivery.
Battery Bottom 150mAh for M5Stack