Keychron B33: Specs, Features, Pros & Cons
Keychron's answer to a question most of its range ignores: what if you want a quiet, thin, cheap keyboard that still works with three devices?
It uses a scissor mechanism rather than mechanical switches, so travel is short and the noise is closer to a laptop than a desktop board. If you share an office or take calls, that matters more than any amount of switch discussion. It is genuinely portable, and the battery is rated in the hundreds of hours.
Category strengths
Where the Keychron B33 beats the average
- More connection options ?
- A lower front height ?16.48 mm vs 21.62 mm (avg)
- Has configuration software ?
- Has media controls ?
- Has programmable keys ?
Where the Keychron B33 trails the average
- A much lower polling rate ?1,000 Hz vs 3,800 Hz (avg)
- Much shorter battery life ?320 h vs 1,517.29 h (avg)
- No n-key rollover ?
- No hot-swappable switches ?
- No onboard profiles ?
- No sound dampening ?
- A much smaller battery ?800 mAh vs 3,406.43 mAh (avg)
- No rapid trigger ?
- No rotary knob ?
- No adjustable actuation ?
Editor’s note
The B33 is Keychron's answer to a question most of its range ignores: what if you want a quiet, thin, cheap keyboard that still works with three devices?
It uses a scissor mechanism rather than mechanical switches, so the travel is short and the noise is closer to a laptop keyboard than a desktop one. If you share an office or take calls, that matters more than any amount of switch discussion. At 550 grams and 16.5 mm at the front it is genuinely portable, and the 800 mAh battery is rated for up to 320 hours of wireless use.
Connectivity is the strong point for the money. You get 2.4 GHz over a receiver, Bluetooth 5.2 with three paired devices, and USB-C wired, so it will move between a work laptop, a personal machine and a tablet without repairing. Keychron's Launcher web app handles remapping in a browser with nothing to install, which is unusual at this price.
The TKL layout drops the number pad but keeps the function row, the navigation cluster and full arrows.
Be clear about the compromises. There is no backlighting at all, so this is a daylight keyboard. Keychron states outright that it does not support N-key rollover, which will matter to some gamers. The case and keycaps are both ABS, so it will develop shine with use, and polling drops to 125 Hz over Bluetooth against 1000 Hz wired or on 2.4 GHz. It is also not hot-swappable — the scissor switches are what you get.
Buy it if you want a quiet, slim, multi-device keyboard and you value silence and battery life over typing feel.
Skip it if you want backlighting, a mechanical feel, or full N-key rollover for gaming. Keychron's own C-series costs similar money and gives you all three, at the price of noise and bulk.
Specifications
Quality bars are generated automatically against 95 other keyboards.
Switches & typing
The key switch technology; later types are generally more responsive.
The specific switch used (e.g. Cherry MX Red).
The force needed to register a key; lower is lighter to type on.
Swap switches without soldering.
Registers every simultaneous keypress.
Set the actuation point per key (analog / Hall-effect boards).
Keys report their travel depth for variable gamepad-style input and multi-stage actions.
Performance
How often the keyboard reports input; higher can reduce latency.
End-to-end keypress latency over a wired connection; lower is better.
End-to-end keypress latency over the fastest wireless mode; lower is better.
Resets a key dynamically as it moves, enabling faster repeated inputs.
Layout & size
The keyboard size and layout.
The number of keys.
The overall width.
The overall depth.
The front case height without keycaps; lower boards can reduce wrist extension.
The keyboard's weight.
Connectivity
The supported connection types.
How many paired devices it can switch between.
Battery life for wireless models.
The rated capacity of the internal battery.
A built-in USB port for other devices.
Build & sound
Keycap plastic; PBT resists shine and wear better than ABS.
The case material (e.g. aluminium, ABS plastic).
The switch plate material, which influences stiffness and typing sound.
How larger keys are stabilised (e.g. screw-in PCB or plate-mounted).
The plate / PCB mounting style (e.g. gasket mount).
Internal foam or dampening for a quieter, fuller sound.
The per-key lighting.
Features
Remap keys and record macros.
Dedicated volume and playback controls.
A control knob for volume or custom actions.
Stores layouts on the board itself.
Companion configuration software (e.g. VIA / QMK).
Specs last verified August 13, 202627 of 34 specs verified (79%)Unverified specs show as Unknown — never estimated, never scored
Keyboards with similar specs to the Keychron B33
Ratings & reviews
No reviews yet. Be the first to share your experience.
The bottom line
The Keychron B33 earns a VS Score of 18, trailing most of the 96 keyboards we compare here, at least on the spec sheet. It stands out for more connection options, a lower front height and configuration software. Just be aware of a much lower polling rate and much shorter battery life before you buy. Weigh those trade-offs against what matters most to you.
The VS Score is calculated from the weighted specifications above, measured against every other keyboards we track — a shortlisting guide, not a substitute for your own priorities. See how we score.
