He microwaved it!
And did a whole bunch of other incredible things to it [Google Translate].
And it survived!
I don’t think the Apple Watch would.
Previously here:
Software Updates: Xiaomi MiBand, Teclast P98 Air
Celebrity MiBand Spotting
Xiaomi MiPad Covers, MiBand
Xiaomi MiPad: MIUI 6, MiBand
Xiaomi MiBand Laser Etching
The Xiaomi MiBand: US$13