Wearable devices with Zepp OS usually have physical keys, you can find the key layout and key names in this document
Single Key
| Location | Name | Digital Crown |
|---|
| 1 | HOME | YES |
Double Key
| Location | Name | Digital Crown |
|---|
| 1 | HOME | YES |
| 2 | SHORTCUT | NO |
Four Key
| Location | Name | Digital Crown |
|---|
| 1 | UP | NO |
| 2 | DOWN | NO |
| 3 | SELECT | NO |
| 4 | BACK | NO |