Logitech Signature K650 Wireless Keyboard vs Keychron B6 Pro Ultra-Slim Wireless Keyboard
Get the Logitech Signature K650. Unless you switch between devices or want a slim, rechargeable keyboard with a cable option — then the Keychron B6 Pro.
Logitech Signature K650 Wireless Keyboard
A cheap, quiet full-size keyboard with a number pad, a built-in palm rest and handy shortcut keys. No backlight, and one device at a time.
Keychron B6 Pro Ultra-Slim Wireless Keyboard
A cheap, slim full-size keyboard with a number pad that connects three ways: its own wireless receiver, Bluetooth or a cable. Comfortable and quiet, if plain and a bit plasticky.
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Both are cheap, quiet full-size keyboards without a backlight. The K650 is the more comfortable desk keyboard, with a palm rest and lots of shortcut keys; the B6 Pro is ultra-slim, rechargeable and connects by receiver, Bluetooth to three devices or cable, but it feels plasticky.
- —You use one computer at a desk.
- —You want a palm rest and shortcut keys.
- —You want a sturdier feel.
- —You switch between devices.
- —You'd rather recharge, or plug in a cable.
- —You like slim, laptop-style keys.
What verified owners report
Only reviews from checked buyers count, and every 1–3 star review is read by us. How we do this
Owners mostly find it pleasant to type on and easy to connect. The complaints are a layout missing keys some need, one that arrived without its receiver and one that didn't work.
- ✓Pleasant to type on
- ✓Easy to connect, reliable wireless
- ✓Solid and stable
None came up often enough to list.
Owners like the quiet, light typing and the looks. One owner's space bar only worked on the left half.
- ✓Quiet typing
- ✓Light keys, good for long work
- ✓Looks good
None came up often enough to list.
Key differences
Pros and cons
- +Quiet keys and a full number pad
- +Built-in palm rest
- +Lots of shortcut keys, Mac and Windows
- −No backlight.
- −Pairs with one device at a time over Bluetooth.
- −The keys can feel a little squishy.
- −The palm rest is part of the keyboard and doesn't add much comfort.
- +Full size with a number pad for little money
- +Receiver, Bluetooth or cable
- +Comfortable, quiet keys
- −No backlight.
- −The plastic body feels cheap and flexes a little.
- −Plain looks.
For the curious
A deeper look at full specs.
Connection
Receiver or Bluetooth on the K650; the Keychron adds a USB-C cable.
Power
Batteries for up to 36 months on the K650; rechargeable for up to about 8 months on the B6 Pro.
Palm rest
Built into the K650; none on the B6 Pro.
Technical specifications
| Signature K650 | Keychron B6 Pro | |
|---|---|---|
| Layout | Full size with number pad and built-in palm rest | Full size, 109 keys (ANSI), 17 media keys |
| Connection | Logi Bolt USB receiver or Bluetooth Low Energy 5.1, 10 m range; one device at a time | 2.4 GHz, Bluetooth 5.2 and USB-C wired |
| Polling | — | 1000 Hz on 2.4 GHz and wired, 90 Hz on Bluetooth |
| Build | — | ABS body and ABS keycaps |
| Backlight | — | None |
| Battery | — | 800 mAh, up to about 8 months per charge; about 2.5 hours to charge |
| Systems | — | macOS, iOS, Windows, Android, Linux |
| Software | Logi Options+ on Windows and macOS | ZMK firmware, Keychron Launcher |
| Height | — | 5.2 mm front, 14.5 mm rear; 3.2° typing angle |
| Size and weight | — | 429 × 130 mm, 623 g |
| Keys | Quiet membrane keys; no backlight | — |
| Battery life | Up to 36 months | — |
| Spills | Survives spills up to 60 ml | — |
| Shortcut keys | Mic mute, dictation, screen capture | — |
| Size | 457.3 × 193.5 × 24 mm | — |
| Weight | 700 g with batteries | — |
From the maker's spec sheet for the Signature K650 (Logitech Signature K650) and the Keychron B6 Pro (Keychron B6 Pro), checked October 2026. Versions sold in other countries can differ slightly.
- Is the Signature K650 worth it?
- Is the Keychron B6 Pro worth it?
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How we reached this verdict
We compared independent expert reviews with the manufacturer's specifications, then checked it's sold at a major retailer where you live. We don't test products ourselves.
Sources: RTINGS, RTINGS, Engadget, Trusted Reviews, manufacturer specifications.
Owner reports for the Signature K650: 26 verified buyer ratings at Currys and Best Buy (Canada), read October 2026.
Owner reports for the Keychron B6 Pro: 10 verified buyer ratings at Rakuten (Japan), read October 2026.