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Compact 75% wireless mechanical keyboard in gradient gray with rotary knob and RGB backlighting

RedThunder K75 Wireless Mechanical Gaming Keyboard 75% Hot-Swappable Gradient Gray

SKU CH-FZC9-MJQ2M

Compact 75% wireless mechanical keyboard with hot-swappable linear switches, RGB backlighting, and a multi-function knob for versatile control

  • NameK75
  • MaterialPlastic
  • Keyboard InterfaceBluetooth
  • Palm RestK75 TKL
  • Function Keys8
  • Mechanical KeyboardK75 Keyboard / Linear
  • Compact 75% layout saves desk space while keeping essential keys
  • Triple-mode connectivity (wired, Bluetooth, 2.4G) enables flexible device pairing
  • Gasket mount with five-layer padding reduces noise and resonance for a softer feel
  • Hot-swappable PCB supports 3-pin and 5-pin switches without soldering
  • Multi-function knob provides quick access to volume and media controls

Compact 75% Layout

The RedThunder K75 is a wireless mechanical gaming keyboard with a compact 75% layout that saves desk space while keeping essential keys. It uses a gasket mount structure with five layers of padding to reduce noise and resonance for a softer typing feel. Pre-lubed linear switches and side-engraved PBT keycaps come standard, and the hot-swappable PCB accepts both 3-pin and 5-pin switches without soldering. A multi-function knob and full RGB backlighting round out the feature set.

Triple-Mode Connectivity for Multi-Device Users

This keyboard suits users who switch between Windows, macOS, tablets, phones and consoles using wired, 2.4 GHz wireless or Bluetooth connections. Two top-mounted switches toggle modes instantly, and three Bluetooth channels can be paired simultaneously. The hot-swappable design appeals to enthusiasts who want to experiment with different switches, though the supplier notes it is not recommended for keyboard beginners. Buyers who need a full-size layout with a dedicated number pad should look elsewhere.

Hot-Swappable PCB with Pre-Lubed Linear Switches

The defining specification is the hot-swappable PCB that supports 3-pin and 5-pin mechanical switches without soldering. It ships with pre-lubed linear switches and includes spare switches plus a key puller for immediate customisation. This single feature determines whether the board matches a buyer who wants to tailor the typing experience or one who prefers a fixed, non-modular keyboard.

Highlights

  • Compact 75% layout saves desk space while keeping essential keys
  • Triple-mode connectivity (wired, Bluetooth, 2.4G) enables flexible device pairing
  • Gasket mount with five-layer padding reduces noise and resonance for a softer feel
  • Hot-swappable PCB supports 3-pin and 5-pin switches without soldering
  • Multi-function knob provides quick access to volume and media controls

Specifications

BrandRedThunder
SeriesK75
NameK75
ModelK75
MaterialPlastic
Keyboard InterfaceBluetooth
Palm RestK75 TKL
Function Keys8
Mechanical KeyboardK75 Keyboard / Linear
Key SwitchLinear
Key Switch TypeLinear
Keyboard ColorGradient gray
BacklitRGB
Dimensions12.8 in x 5.71 in x 1.77 in
TypeWired
Mouse IncludedK75 TKL
Mouse InterfaceBluetooth
Mouse DPICompact Mechanical Multimedia Programmable RGB Backlit Keyboard
Hand OrientationAmbidextrous
Tracking MethodHot-Swappable
Buttons8
Scrolling CapabilityProgrammable Keys
Mouse ColorGray
Power SourceWired
Operating TimeRechargeable Battery (USB Powered), true
Distance12.8 L x 5.71 W x 1.77 H inches
System RequirementBluetooth
Featuresrgb, Plastic, Ambidextrous, Wired

Questions about this item

What are the exact dimensions of the keyboard so I can confirm it fits my desk space?

The keyboard measures 12.8 in wide, 5.71 in deep and 1.77 in high, making it a compact 75% layout that saves desk space while keeping essential keys.

How do I install new switches on the hot-swappable PCB and what is the common mistake to avoid?

Pull the existing switch straight up with the included puller, align the new 3-pin or 5-pin switch pins with the socket and press down firmly; the frequent error is inserting pins crooked, which bends them and prevents contact.

Which components will need replacement over time and what spares are included?

The pre-lubed linear switches are the main wear item; the box includes spare pre-lubed switches and a keycap puller so you can swap individual switches without soldering when they degrade.

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