Head to head · Prices checked Nov 11, 2026

Coolkiller ROCOCO Numpad vs MelGeek O2

Get the Coolkiller ROCOCO Numpad for hot-swappable.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Hot-swappable

Coolkiller ROCOCO Numpad

from$89at WhatGeek

Compare 2 stores

MelGeek O2

O2 Tri-mode Wireless Mechanical Keyboard

from$109at MelGeek

90-day lowLowest price in 90 days

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Coolkiller ROCOCO Numpad

Hot-swappable

Build quality in the bottom 45% of Numpad boards under $100.

Rules this board out

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

$89 at WhatGeek

Get the

MelGeek O2

Build quality in the top 50% of Numpad boards under $150.

Rules this board out

Switches are soldered. Swapping them means soldering.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

$109 at MelGeek

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 ROCOCO Numpad

MelGeek O2

Hot-swappable
Yes
No
Switch changes without soldering
Case material
ABS
ABS, Aluminum, Polycarbonate
Backlight
RGB, south-facing
RGB, north-facing
RGB for looks and low light rather than speed
Released
2024
2025

KeebFinder scores

How we score

Coolkiller ROCOCO Numpad
MelGeek O2

Performance: 56
54
Build quality: 61
65
Productivity: 60
53
Customizability: 63
50
Portability: 83
82

What they share

Layout size: Numpad
Connection: Bluetooth, 2.4 GHz, Wired
Mount style: Gasket Mount
Sound dampening

See every spec side by side

Full specs

Coolkiller ROCOCO Numpad vs MelGeek O2 specs

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

4 of 19 specs differ

Spec

Coolkiller ROCOCO Numpad

MelGeek O2

Typing & switches

Hot-swappable

Yes

Mount style

Gasket Mount

Sound dampening

Yes

Layout

Layout size

Numpad

Layout standard

ANSI

Ergonomics

Standard

Display

None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

—

1,000 Hz

Battery

—

2,500 mAh

Build & materials

Case material

ABS

ABS, Aluminum, Polycarbonate

Plate material

—

Polycarbonate

Keycaps

—

PBT

Weight

—

650 g

Dimensions

—

135 x 326 x 27 mm

Typing angle

—

4°

Backlight

RGB, south-facing

RGB, north-facing

Firmware & software

Mac & Windows

Yes

Extras

Released

2024

2025

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.

Coolkiller ROCOCO Numpad2 stores