There is enough space to attach the M5Stack modules on the back. Up to 45 degrees tilt means no supports are needed on most printers

• Simple **It will interfere with the battery pack ** Even if you shave it off, it's still small and may fall over due to the weight of the battery pack.

• Middle The width is the same as the body size, and there is a speaker hole. A battery can also be installed Recommended for those who use the connector on the left side. The simple version has no support on the left side, so it will tilt due to the weight of the cable.

2025/5/17 MiddleModel update

• The middle model has been extended by a few millimeters to prevent it from falling over even when the ’Tab5 Battery Kit ' battery and stack module are attached.