Filmed with Google Pixel 4, in 1/8 mode.
Using off-brand BT 5.1 receiver (confirmed that it's using LMP 10.1)
Quite a bit worse than I initially expected.
Microsoft Word can add quite a bit of delay, but that shouldn't matter when comparing cable and Bluetooth.
Not sure if this Keyboard can be recommended for gaming - as a wireless option.
Brown switches in this case.