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Compact 75 percent mechanical keyboard with rotary knob and RGB backlighting

TUKO

TUKO Nimbleback NB831 75% Wireless 81-Key Hot-Swappable Mechanical Gaming Keyboard with Knob

SKU CH-39FN-77365

A compact 75% wireless mechanical keyboard with hot-swappable switches, a volume knob and three connection modes

  • Keyboard layout75%
  • 75 % layout with 81 keys saves desk space
  • Three connection modes — BT 5.0, 2.4 GHz wireless, wired USB‑C
  • Hot‑swappable PCB accepts 3‑ or 5‑pin MX switches without soldering
  • Dual sound‑damping foam layers cut hollow keystroke noise
  • Volume knob gives instant audio control and mute

Compact 75% Layout with Knob

The TUKO Nimbleback NB831 is an 81-key mechanical keyboard built on a 75 percent form factor. It includes a dedicated volume knob for quick audio control. Hot-swappable sockets accept three-pin and five-pin MX-style switches without soldering. The board ships with PBT keycaps and ships new.

Connectivity and Software Fit

The keyboard operates over Bluetooth, 2.4 GHz wireless and wired USB-C, and the supplier software runs on Windows 7 through 11, iOS and macOS. Users who want per-key actuation adjustment or analogue input will not find those functions here. Buyers needing a full-size layout with a separate number pad should look at a different form factor.

Hot-Swappable Switch Sockets

The PCB supports three-pin and five-pin MX-compatible switches, letting owners change feel and sound without desoldering. Six extra switches are included in the box for immediate experimentation. This single feature determines whether the board matches a builder who wants to customise switch types later.

How it compares

Measured against everything we stock in Keyboards for PC Gaming, at today’s prices. Recalculated every night.

Price $70.99
Typical for this category: the median of 3,966 items is $68.99.

Specifications

Size & build
Keyboard layout75%

Questions about this item

Which operating systems can I run the LTC driver on for the NB831?

The driver supports Windows 7, 8, 10, 11, iOS and macOS for key remapping, macros and RGB control.

Will my existing MX-style switches fit the hot-swap sockets on this 75% board?

Yes, the PCB accepts both 3-pin and 5-pin MX-style switches such as Gateron or Kailh without soldering.

How do I know the 2.4 GHz link is active after I plug in the receiver?

Pair the keyboard in 2.4 GHz mode; a stable connection and responsive keystrokes confirm the link is working.

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