I use this with a Mi Band 4! The initial steps to get the Xiaomi DRM Pairing key to actually connect it are a bit of a pain (which isn't the developers' fault),

I use this with a Mi Band 4! The initial steps to get the Xiaomi DRM Pairing key to actually connect it are a bit of a pain (which isn't the developers' fault), but once you've done that once it's a seamless experience. Huge props to the developers!