1. Introdução
Thank you for choosing the HUO JI CK621 75% Wireless Mechanical Gaming Keyboard. This manual provides detailed instructions for setting up, operating, and maintaining your keyboard to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.
2. Conteúdo da embalagem
Ao desembalar, verifique se todos os itens listados abaixo estão presentes e em boas condições:
- HUO JI CK621 75% Wireless Mechanical Gaming Keyboard
- Cabo USB-A para USB-C
- Extrator de Keycap
- Interruptores extras
- Manual do usuário (este documento)
3. Recursos do Produto
The HUO JI CK621 keyboard is designed with advanced features for a superior user experience:
- Conexão trimodo: Supports Bluetooth 5.0, 2.4GHz wireless, and USB wired connections. Connect up to five devices simultaneously and switch easily.
- Interruptores hot-swappable: Features a hot-swappable base compatible with 3-pin or 5-pin switches, allowing for easy customization without soldering.
- Interruptores lineares pré-lubrificados: Equipped with pre-lubricated switches and stabilizers for smooth typing and a pleasant sound.
- Estrutura da junta e ranhura de chave única na placa de circuito impresso: Advanced internal structure with an extended integrated silicone pad and PCB single key slotting for enhanced resilience, stability, and a softer, more elastic feel. Five layers of filling silencer reduce cavity noise.
- Side-Printed PBT Keycaps: Durable, fade-resistant, and sweat-proof PBT keycaps with side-engraved legends that allow RGB backlighting to shine through.
- Botão de volume: A multi-function knob to adjust volume (rotate) and play/pause media (click).
- Retroiluminação RGB: Customizable 16.8 million color RGB backlighting with multiple modes and effects.
- Layout em 75%: Compact 81-key layout saves desktop space while retaining essential arrow keys.
- Rolagem de N-Key: Ensures all key presses are registered accurately, even during rapid typing or gaming.
- Fechadura com chave WIN: Impede pressionamentos acidentais da tecla Windows durante sessões intensas de jogos.
- Bateria de longa duração: Integrated 4000mAh high-capacity battery for extended wireless use.
- Design ergonômico: Features two-stage adjustable tilt stands for comfortable typing angles.
4. Instruções de configuração
Follow these steps to connect your HUO JI CK621 keyboard:
4.1. Modo com fio
- Locate the USB-C port on the keyboard (typically on the side or back).
- Conecte uma extremidade do cabo USB-A para USB-C fornecido ao teclado.
- Conecte a outra extremidade do cabo a uma porta USB disponível no seu computador.
- O teclado será reconhecido automaticamente e estará pronto para uso.
4.2. Modo sem fio de 2.4 GHz
- Locate the 2.4GHz USB receiver, usually stored in a compartment on the keyboard.
- Conecte o receptor USB a uma porta USB disponível em seu computador.
- Switch the connection mode selector on the keyboard to the 2.4G position.
- O teclado deve conectar-se automaticamente.

Image: The HUO JI CK621 keyboard demonstrating its versatile tri-mode connection capabilities, including wired, 2.4GHz, and Bluetooth, compatible with various devices like PCs, Macs, laptops, phones, and gaming consoles.
4.3. Modo Bluetooth
- Switch the connection mode selector on the keyboard to the Bluetooth position.
- On your device (PC, laptop, tablet, smartphone), go to Bluetooth settings.
- The keyboard should appear as "HUO JI CK621" or similar in the list of available devices. Select it to pair.
- Se solicitado, insira o código de emparelhamento exibido na tela.
- The keyboard can store up to three Bluetooth connections. Use specific key combinations (refer to your quick start guide or keyboard markings) to switch between paired devices.
5. Instruções de operação
5.1. Funcionalidade do botão de volume
The multi-function knob located on the top right of the keyboard controls audio settings:
- Girar para a esquerda: Diminuir volume.
- Vire à direita: Aumentar o volume.
- Imprensa: Play or pause media, or mute/unmute audio.
Image: The multi-function knob on the HUO JI CK621 keyboard allows users to adjust volume by turning it left or right, and to play/pause or mute/unmute audio by pressing it.
5.2. Controle de retroiluminação RGB
The keyboard features extensive RGB backlighting customization:
- FN + DEL: Switch between various RGB backlit modes.
- FN + F5/F6: Adjust backlighting brightness (F5 for decrease, F6 for increase).
- FN + </>: Adjust light speed (animation speed).
- FN + \|: Switch backlit color between red, green, blue, yellow, pink, cyan, white, and RGB in some modes.
- FN + Backspace: Turn off backlighting.
Image: The HUO JI CK621 keyboard showcasing its 16.8 million RGB backlighting, with key combinations for controlling lighting effects, brightness, and color.
5.3. Multimedia & Special Keyboard Functions
Utilize a tecla FN em combinação com outras teclas para diversas funções:
| Combinação de teclas | Função |
|---|---|
| FN + F1 | Diminuir o brilho da tela |
| FN + F2 | Aumentar o brilho da tela |
| FN + F3 | Multitarefa |
| FN + F4 | Lista de programas |
| FN + F5 | Diminuição do brilho da luz de fundo do teclado |
| FN + F6 | Keyboard backlight brightness increase |
| FN + F7 | Faixa anterior |
| FN + F8 | Reproduzir/Pausar |
| FN + F9 | Próxima faixa |
| FN + F10 | Mudo |
| FN + W | Switch to Windows system layout |
| FN + F12 | Switch to macOS system layout |
| FN + G | Game mode lighting |
6. Gerenciamento de bateria
The keyboard is equipped with a 4000mAh rechargeable Lithium Polymer battery.
- Carregamento: Connect the USB-A to USB-C cable to the keyboard and a power source (computer USB port or wall adapter). The charging indicator will show the charging status.
- Duração da bateria: Approximately 30 hours with backlighting ON, and up to 363 hours with backlighting OFF.
- Bateria fraca: When the battery is low, the indicator light will flash. Connect the charging cable promptly.
Image: The HUO JI CK621 keyboard highlights its 4000mAh high-capacity battery, providing approximately 30 hours of use with backlighting on and 363 hours with backlighting off.
7. Manutenção
Para garantir a longevidade e o desempenho ideal do seu teclado, siga estas orientações de manutenção:
- Limpeza: Use a soft, dry cloth to wipe the keyboard surface. For deeper cleaning, use the provided keycap puller to remove keycaps and clean underneath with compressed air or a small brush.
- Armazenar: Guarde o teclado em local fresco e seco, longe da luz solar direta e de temperaturas extremas.
- Evite líquidos: Não exponha o teclado a líquidos. Em caso de derrame, desconecte-o imediatamente e deixe-o secar completamente antes de reconectá-lo.
- Substituição do interruptor: When replacing switches, use the provided switch puller and ensure proper alignment to avoid damaging the hot-swappable sockets.
8. Solução De Problemas
If you encounter any issues with your HUO JI CK621 keyboard, refer to the following common solutions:
- Teclado não responde: Ensure the keyboard is charged. Check the connection mode (wired, 2.4G, Bluetooth) and ensure it matches your device's connection. For 2.4G, ensure the USB receiver is properly inserted. For Bluetooth, re-pair the device.
- As chaves não estão sendo registradas: Clean under the keycaps. If a specific switch is faulty, use the keycap puller and extra switches to replace it.
- RGB backlighting not working: Ensure backlighting is not turned off (FN + Backspace). Adjust brightness (FN + F5/F6) or switch modes (FN + DEL).
- Intermittent wireless connection: Ensure the keyboard is within range of the receiver/Bluetooth device. Avoid interference from other wireless devices.
- System compatibility issues: Ensure the keyboard is set to the correct system mode (FN + W for Windows, FN + F12 for macOS).
Se o problema persistir, entre em contato com o suporte ao cliente para obter mais assistência.
9. Especificações
Detailed technical specifications for the HUO JI CK621 keyboard:
| Recurso | Detalhe |
|---|---|
| Modelo | CK621 |
| Disposição | 75% (81 teclas) |
| Conectividade | Bluetooth 5.0, 2.4GHz Wireless, USB Wired (Type-C) |
| Interruptores | Pre-lubed Linear Switches, Hot-swappable (3-pin/5-pin) |
| Keycaps | Teclas PBT com impressão lateral |
| Iluminação de fundo | RGB (16.8 milhões de cores) |
| Capacidade da bateria | Polímero de lítio 4000mAh |
| Dimensões do produto | 12.8"C x 5.3"L x 1.5"A (32.5 cm x 13.5 cm x 3.8 cm) |
| Peso do item | 1.4 libras (0.64 kg) |
| Dispositivos compatíveis | Laptop, PC, PS, Smartphone, iPad, Tablet, XBOX |
| Características especiais | Volume Knob, Gasket Structure, N-Key Rollover, WIN Key Lock, Ergonomic Design |
10. Vídeo oficial do produto
Watch the official product video for a visual guide on the HUO JI CK621 Tri-Mode Mechanical Keyboard:
Vídeo: Um oficial sobreview of the HUO JI CK621 Tri-Mode Mechanical Keyboard, demonstrating its features and functionality.
11. Garantia e Suporte
HUO JI products are manufactured to the highest quality standards. For warranty information, technical support, or customer service inquiries, please refer to the contact details provided on the product packaging or visit the official HUO JI website. Guarde o recibo de compra como comprovante para solicitações de garantia.




