# Mechanical keyboard REDRAGON K681LK-RGB-PRO (K4PUC21N0 PRO Lion L) RGB backlight wired USB

**URL:** https://aio.lv/en/product--redragon-k681lk-rgb-pro--11684120
**Data updated:** 2026-01-30 13:38 (EET)
**Category:** Keyboards
**Manufacturer:** REDRAGON
**Manufacturer code:** K681LK-RGB-PRO
**EAN:** 6950376734853
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 71.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 59.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--redragon-k681lk-rgb-pro--11684120

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.89 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

REDRAGON K681LK-RGB-PRO (K4PUC21N0 PRO Lion L) is a wired mechanical keyboard with RGB backlighting and USB connectivity. Designed for general computing and gaming, it provides tactile key response and customizable lighting. Suitable for desktop setups, it offers reliable performance, spill resistance and durable key switches for extended use.

## Long description

Redragon K4PUC21N0 PRO is a 75% mechanical keyboard combining a compact layout with features commonly found on full-size models. It offers triple connectivity — Bluetooth, 2.4 GHz wireless and wired USB — so you can use it across different devices and platforms. The Logan Kapuczino edition adds a distinctive color scheme and themed graphics. The keyboard includes Lion L switches with hot-swap capability, gasket-mount construction and full RGB backlighting, providing a balance of tactile response, customization and durable construction suited to extended use.
Advantages
The 75% layout saves desk space while retaining essential function keys and a dedicated knob for quick control of volume and lighting. Lion L mechanical switches deliver consistent tactile feedback suitable for typing and gaming, while the gasket-mount design softens key impact for a more comfortable typing feel. Hot-swap sockets allow changing switches without soldering, and RGB lighting with 16.8 million colors enables visual customization. Multiple connectivity modes ensure compatibility with desktop and mobile setups.
Suitable for
Desktop workstations with limited desk space
Gaming sessions requiring compact keyboards and fast response
Users who want to customize switches and lighting
Key specifications
Layout: 75% (US)
Switch type: Lion L mechanical, hot-swap compatible
Mount type: Gasket-mount construction
Backlight: RGB, 16.8 million colors
Connectivity: Wired USB, Bluetooth, Wireless 2.4 GHz
Range / cable length: up to 10 m (wireless range indicated)
Multimedia keys: Yes, including a control knob
Dimensions (W×H×D): 33.5 × 4.3 × 14 cm
Weight: 800 g
Keycap/legend region: US (American) layout
How to use
Connect via the provided USB cable for wired operation or switch to Bluetooth or 2.4 GHz wireless mode following the keyboard’s pairing instructions. Use the knob to adjust volume and cycle lighting effects; access multimedia functions through the dedicated keys. If you want to change switches, power off the keyboard, remove the keycaps and pull out the switches from the hot-swap sockets, then insert compatible replacement switches. Adjust lighting and key assignments through on-board shortcuts or compatible configuration software when available.
Usage recommendations
For stable performance during extended sessions, use wired mode when possible; keep firmware and configuration software up to date and handle hot-swap operations with the keyboard powered off. Clean keycaps and surrounding areas regularly to maintain switch responsiveness and lighting clarity.

## FAQ

### How much does the REDRAGON K681LK-RGB-PRO mechanical keyboard cost, and is it available for purchase?

The price is 71.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can REDRAGON K681LK-RGB-PRO mechanical keyboard be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All REDRAGON products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized REDRAGON service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11684120/67022686_large.webp