# Keychron K2 Wireless Mechanical Keyboard (Version 2) vs NuPhy Air75 V2: specs and price compared

A sourced, side-by-side comparison of the Keychron K2 Wireless Mechanical Keyboard (Version 2) (Keychron) and NuPhy Air75 V2 (NuPhy) among mechanical keyboards. Keychron K2 Wireless Mechanical Keyboard (Version 2) is the cheaper of the two at $84.99.

## Side by side

| Spec | Keychron K2 Wireless Mechanical Keyboard (Version 2) | NuPhy Air75 V2 |
| --- | --- | --- |
| US price | $84.99 | $119.95 |
| Brand | Keychron | NuPhy |
| Released | 2021 | 2023 |
| Layout | 75% | 75% |
| Key count | 84 | 84 |
| Switch type | Gateron G Pro (MX-compatible, 3-5 pin) | NuPhy / Gateron KS-33 low-profile (hot-swappable) |
| Hot swappable | Yes | Yes |
| Connectivity | Bluetooth 3.0 / USB-C wired | 2.4GHz / Bluetooth 5.1 / USB-C wired |
| Backlight | White LED or RGB | RGB (40 lighting modes, south-facing LED) |
| Knob | No | No |
| Build material | ABS plastic (standard) or aluminum-frame option | Aluminum frame, ABS bottom case, PBT double-shot keycaps |
| Wireless | Yes | Yes |

## Key differences

- Switch type: Keychron K2 Wireless Mechanical Keyboard (Version 2) Gateron G Pro (MX-compatible, 3-5 pin) vs NuPhy Air75 V2 NuPhy / Gateron KS-33 low-profile (hot-swappable)
- Connectivity: Keychron K2 Wireless Mechanical Keyboard (Version 2) Bluetooth 3.0 / USB-C wired vs NuPhy Air75 V2 2.4GHz / Bluetooth 5.1 / USB-C wired
- Backlight: Keychron K2 Wireless Mechanical Keyboard (Version 2) White LED or RGB vs NuPhy Air75 V2 RGB (40 lighting modes, south-facing LED)
- Build material: Keychron K2 Wireless Mechanical Keyboard (Version 2) ABS plastic (standard) or aluminum-frame option vs NuPhy Air75 V2 Aluminum frame, ABS bottom case, PBT double-shot keycaps

## What reviewers say

**NuPhy Air75 V2** — Two whitelisted testers reviewed the exact Air75 V2 (Tom's Hardware, Tom's Guide). Both praise its low-profile typing feel, build, dampened sound and near-wired 1ms wireless for gaming. Tom's Hardware named it Editor's Choice with no stability complaints, while Tom's Guide (Recommended) hit a recurring macOS freezing bug that a firmware flash did not fix. (2 sourced reviews.)

## Sources

- Keychron K2 Wireless Mechanical Keyboard (Version 2): https://www.keychron.com/products/keychron-k2-hot-swappable-wireless-mechanical-keyboard.json (keychron.com, verified 2026-06-15)
- NuPhy Air75 V2: https://nuphy.com/products/air75-v2 (nuphy.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/mechanical-keyboards/keychron-k2-v2-vs-nuphy-air75-v2/
Cite: Per The Front Desk Review, Keychron K2 Wireless Mechanical Keyboard (Version 2) ($84.99) vs NuPhy Air75 V2 ($119.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/mechanical-keyboards/keychron-k2-v2-vs-nuphy-air75-v2/
License: CC BY 4.0.