CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard
CoolKiller Balloon 84 Low-Profile Mechanical Keyboard

CoolKiller Balloon 84 Low-Profile Mechanical Keyboard

$149.99

  • Rechargeable & Hot-Swappable
  • Low-Profile mechanical keyboard with 84-key layout
  • Tri-mode connections, 2.4G, Bluetooth and wired USB-C
  • Compatible with MacOS, iOS, Windows, and Android

  • Rechargeable & Hot-Swappable
  • Low-Profile mechanical keyboard with 84-key layout
  • Tri-mode connections, 2.4G, Bluetooth and wired USB-C
  • Compatible with MacOS, iOS, Windows, and Android

Type: Keyboard

Keyboard

Switch: Low-Profile Switch-Linear

Low-Profile Switch-Linear
Low-Profile Switch-Tactile
Shipped out within 2 workdays
1-Year warranty

CoolKiller Balloon 84 Low-Profile Mechanical Keyboard

Ultra-Slim & Transparent Design

  • Jelly-like Keycaps: Custom convex keycaps inspired by bubbles, offering a unique translucency effect under lighting. The keycaps and shell are uniformly milky white with a subtle transparent finish, creating a cohesive aesthetic .
  • Round Edges & Translucent Shell: The upper and lower casings are made of semi-transparent PC material with a metal trim, featuring a rounded silhouette for a sleek, ergonomic look .

Tri-Mode Connectivity​

  • Switch Between Modes: Supports wired (Type-C), 2.4GHz wireless, and Bluetooth 5.0, with FN key combinations for seamless switching between devices .
  • Long Battery Life: Powered by a 3500mAh lithium battery, offering extended usage in wireless mode (exact duration TBD)

Hot-Swappable Switches for Customization

  • Ice Blade MINI Axial Switches: Custom transparent switches with linear/early tactile options, featuring a silver spring and polished guide posts for clean, consistent lighting effects .
  • Silent Typing: Engineered with silicone inserts and under-pad cotton, minimizing noise while maintaining tactile feedback 

Tech specs

Specification

Number of Keys: 84

Lighting: White

Switch: Linear/Tactile

Hot-swappable Support: Yes

Size and Weight
Dimensions: 329.3*143.9*32.8mm
Weight: 870g
Connectivity

Connection Mode: Wired /2.4G/ Bluetooth

BT Name: Balloon 5.0/Balloon 3.0

Connected devices: up to 3

Compatible system: Windows, Android, macOS, iPadOS, iOS

Power
Battery Capacity: 3,500mAh
Working Time (All lights off): Up to 120 hours

User Manual

Customer Reviews

Based on 26 reviews
96%
(25)
0%
(0)
4%
(1)
0%
(0)
0%
(0)
E
Emily Chen
Gorgeous

It’s truly super beautiful—I’m in love! 🥰

A
Andrew Mitchell
Great Product

This is a very good product and definitely a smart choice. I'm very satisfied!

L
Laura Simmons
Quiet, Stylish

I bought this for office use, and the sound is very quiet—no worries about disturbing others. The touch feels great, and typing is effortless. Most importantly, it looks amazing. With the right lighting settings, it gives off a low-key but super cool vibe.

A
Angela Wu
Must-Have

This keyboard is absolutely beautiful—like a piece of jade, clear and flawless. The typing feel is excellent, and even my coworkers couldn’t resist tapping a few keys when they saw it. As a female programmer, how could I not have such a high-quality and stylish keyboard?

E
Emily Johnson
Great Product, Excellent Choice

This is a very good product and a great choice. I'm very satisfied with it.

Shipping Info

We offer free shipping to the whole world.

We ship most orders within 24-48 hours.

Multiple payment options available at checkout.