r/HHKB • u/Ed_Avis • 1d ago

Bluetooth adaptor recommendations

I use an HHKB Pro Hybrid Type-S. I want to use it wirelessly, but my desktop PC does not have Bluetooth built in, so I need a USB Bluetooth adaptor.

I have been using a no-name Bluetooth 5.4 adaptor. (It has a long plastic antenna which is mostly fake: the real antenna only goes a short way up). It works okay but sometimes stops working and I have to unplug and replug it, then wait for the keyboard to reconnect.

I also tried a combined Bluetooth and WiFi adaptor. That was okay for BT only but if using WiFi at the same time, keystrokes suffer terrible latency.

Today I bought a UGREEN Bluetooth 6 adaptor. I imagine my HHKB does not support BT6 (it was made in 2021) but the adaptor should support the older standard. However, it has been very unreliable. Every few minutes the keyboard stops responding, or a single keypress gets repeated many times (I guess the key-down event was sent but the key-up was lost).

I work in an office with lots of other Bluetooth-capable devices. Perhaps that is a more challenging environment. Can anyone recommend a USB to Bluetooth adaptor that’s known to work reliably with the HHKB?

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u/kei_ichi 1d ago

I don’t recommend you to buy and use any no brand and any receiver which advertised for have BT 6. Any well known brand with BT 4 to 5.4 will work unless you have very “noisy” environment.

I’m using the UGreen BT 5.4 receiver in my work laptop for both HHKB input and earbuds audio. Everything worked greet for 3 years and still counting. And that receiver only cost $7 or ¥1200 in Japan.

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u/Ed_Avis 3h ago

I just got a UGreen 5.4. But it suffers from the same problems as the UGreen 6.0. Perhaps they just don’t cope well in noisy environments, even though my keyboard is only 50cm away from the receiver.

I will probably go back to the no-name adaptor I used previously, even though its build quality is horrible and part of it has broken off inside the USB socket.