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Head to head · Prices checked Oct 21, 2026

Coolkiller PolarBear vs Keychron V0 Ultra Numpad

Get the Keychron V0 Ultra Numpad for the 1,800 mAh battery and knob.

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.

Coolkiller PolarBear

Keychron V0 Ultra Numpad

  • Connection

    Wired, Wireless

    Bluetooth, 2.4 GHz, Wired

  • Battery

    1,500 mAh

    1,800 mAh

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Knob

    No

    Yes

  • Weight

    296 g

    310 g

KeebFinder scores

How we score
  • Coolkiller PolarBear
  • Keychron V0 Ultra Numpad
Performance
60
87
Build quality
61
73
Productivity
72
87
Customizability
55
74
Portability
87
86

What they share

  • Layout size: Numpad
  • Hot-swappable
  • Case material: Plastic
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Coolkiller PolarBear

No owner reviews collected yet.

Keychron V0 Ultra Numpad

5.0

2 owner reviews

Praise
“The keys are a joy to type with, the back lighting is beautiful, and key mapping is incredibly customizable. The ultra series registers keystrokes very fast, and the wireless connection allows for freedom of desk placement. This is a great number pad!”
MichaelVerified buyer· via Keychron

Full specs

Coolkiller PolarBear vs Keychron V0 Ultra Numpad specs

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

9 of 24 specs differ

Coolkiller PolarBear

Keychron V0 Ultra Numpad

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired, Wireless
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
8,000 Hz

Battery

1,500 mAh
1,800 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

296 g
310 g

Dimensions

30 x 65 x 84 mm
29 x 118 x 139 mm

Typing angle

—
3°

Backlight

White
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Coolkiller PolarBear2 stores

  • AmazonGlobal

    Check price
    ~$69Visit

  • WhatGeekCN

    Out of stock
    $69Visit
Keychron V0 Ultra Numpad4 stores

  • KeychronHK

    In stock
    $69Visit

  • MKUS

    In stock
    $69Visit

  • AmazonGlobal

    Check price
    ~$69Visit

  • Keychron (DE)DE

    Out of stock
    $95Visit

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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