Head to head · Prices checked Nov 10, 2026

Keychron B1 Pro vs Ktechs Rainy75

Get the Keychron B1 Pro for media keys. Get the Ktechs Rainy75 for the 3,500 mAh battery.

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Media keys

Keychron B1 Pro

4.4 (7)4.4 · 7 reviews

from$37at MK

Compare 4 stores

Battery

Ktechs Rainy75

No reviews

from$7at ktechs

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Keychron B1 Pro

Media keys

Build quality in the bottom 5% of 75% boards under $50.

Rules this board out

Switches are soldered. Swapping them means soldering.
Low-profile switches and keycaps only. Standard MX keycaps will not fit.

$37 at MK

Get the

Ktechs Rainy75

Battery

Build quality in the bottom 30% of 75% boards under $50.

Rules this board out

Switches are soldered. Swapping them means soldering.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$7 at ktechs

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Keychron B1 Pro

Ktechs Rainy75

Connection
Bluetooth, 2.4 GHz, Wired
Wireless
Wireless for several devices and wired for lower latency
Battery
800 mAh
3,500 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No
Display
None
LED
A case display rather than a typing feature
Media keys
Yes
No

KeebFinder scores

How we score

Keychron B1 Pro
Ktechs Rainy75

Performance: 50
47
Build quality: 42
65
Productivity: 68
46
Customizability: 46
43
Portability: 78
74

What they share

Layout size: 75%
Max polling rate: 1,000 Hz

See every spec side by side

Full specs

Keychron B1 Pro vs Ktechs Rainy75 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

7 of 21 specs differ

Spec

Keychron B1 Pro

Ktechs Rainy75

Typing & switches

Switch options

Clicky, Linear, Tactile

—

Mount style

—

Gasket Mount

Low profile

Yes

Layout

Layout size

75%

Layout standard

ANSI, ISO, JIS

—

Ergonomics

Standard

Display

None

LED

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Wireless

Max polling rate

1,000 Hz

Battery

800 mAh

3,500 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS, Plastic

—

Plate material

—

FR4, Plastic, Polycarbonate

Keycaps

ABS

—

Weight

425 g

—

Dimensions

5 x 296 x 130 mm

—

Typing angle

3°

—

Backlight

None

Firmware & software

Mac & Windows

Yes

Extras

Released

2024

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron B1 Pro

Keychron
ISO
In stockShips to you
Keychron (DE)
ISO
In stockDoes not ship to you

Ktechs Rainy75

No ISO layout at the stores we track.

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

Keychron B1 Pro4 stores