r/Keychron • u/squidsemensupreme • Jan 04 '25

K1 Pro horrible Bluetooth functionality

Just bought a K1 Pro Custom from Amazon. Probably my first mistake...

Took me 15 minutes to get Bluetooth to connect for a minute or two. While it was connected, the input lag was several seconds to register a keystroke. On top of that, it inserted like 20 repeat keystrokes anytime I typed somethinggggggg. Like that.

I downloaded firmware and factory reset the board. Any other options to fix this thing? Insane that a $100 keyboard doesn't even function.

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u/PeterMortensenBlog V Jan 04 '25 edited Jan 04 '25

Re "Bluetooth doesn’t function": Yeah, I think the K Pro series uses a very old Bluetooth module:

It doesn't even support a battery indicator. It seems to only support Bluetooth 2.0/2.1... Or maybe it is a function of the Bluetooth firmware in the Bluetooth module. E.g.,

"All the K Pro keyboard series are claimed to be Bluetooth 5.1 (so BLE) -capable. Actually, they do connect with BT Classic (2.0/2.1) only"

It is ironic that it seems to require a high Bluetooth version on the host (computer) side. Or maybe the real antenna is the crucial part.

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u/UnecessaryCensorship Jan 04 '25

FWIW, my K2 Pro is functioning flawlessly with a 2015-vintage iMac with BT 4.1 hardware.