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Head to head · Prices checked Nov 11, 2026

Shortcut Studio Bridge R4 vs Coolkiller CK75 SE

Get the Shortcut Studio Bridge R4 for the 8,000 mAh battery and via.

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Quick verdict

Which one should you get?

Get the

Shortcut Studio Bridge R4

Battery

Build quality in the top 15% of 75% boards under $100.

Get the

Coolkiller CK75 SE

Build quality in the top 50% of 75% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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.

Shortcut Studio Bridge R4

Coolkiller CK75 SE

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    Plastic

  • Display

    None

    LED

    A case display rather than a typing feature

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Keycaps

    PBT

    PBT, PC

KeebFinder scores

How we score
  • Shortcut Studio Bridge R4
  • Coolkiller CK75 SE
Performance
68
75
Build quality
80
66
Productivity
67
77
Customizability
80
67
Portability
87
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

Shortcut Studio Bridge R4 vs Coolkiller CK75 SE specs

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

9 of 22 specs differ

Shortcut Studio Bridge R4

Coolkiller CK75 SE

Typing & switches

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
LED

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
Plastic

Plate material

—
Polycarbonate

Keycaps

PBT
PBT, PC

Weight

—
1,000 g

Dimensions

—
40 x 326 x 139 mm

Typing angle

7°
—

Backlight

RGB
RGB, south-facing

Firmware & software

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2026

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.

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