1. Introdución
This manual provides instructions for the setup, operation, and maintenance of your BOYI GMK108 Barebones Mechanical Keyboard Kit. The GMK108 is a full-size, 108-key barebones kit designed for customization, featuring tri-mode connectivity (Bluetooth 5.0, 2.4GHz wireless, and wired Type-C), VIA programmability, gasket-mounted structure, hot-swappable switch sockets, and south-facing RGB backlighting.

Imaxe 1.1: Acabadoview of the GMK108 Barebones Mechanical Keyboard Kit highlighting its features.
2. Que hai na caixa
Verifica que todos os compoñentes estean presentes no paquete:
- GMK108 Barebones Mechanical Keyboard Kit (White)
- Cable USB-C
- Receptor USB de 2.4 GHz
- Switch Puller / Keycap Puller
- 10 x Keycaps (additional)

Image 2.1: The GMK108 Barebones Keyboard Kit with its included components.
Vídeo de desembalaxe
Video 2.1: An unboxing demonstration of the GMK108 VIA Programmable Barebones Kit in White.
3. Características clave
- Personalización DIY: Build a personalized mechanical keyboard by choosing your preferred switches and keycaps.
- Conectividade tripla: Supports wireless Bluetooth 5.0, 2.4GHz wireless, and wired Type-C connections.
- Batería de longa duración: Equipped with a 4000mAh battery for extended wireless use.
- VIA Programmable: Fully programmable keys for custom macros, key remapping, and lighting effects.
- Estrutura montada sobre xunta: Provides a cushioned and silent typing experience.
- Sockets intercambiables en quente: Compatible con interruptores mecánicos de 3 e 5 pines, o que permite unha sinxela substitución do interruptor sen soldadura.
- South-Facing RGB Backlight: Customizable RGB backlighting for aesthetic appeal.
- Maquetación a tamaño completo: 108 keys with N-Key Rollover (NKRO) for reliable performance without key conflicts.

Imaxe 3.1: Detallada view of the keyboard's gasket structure components.

Image 3.2: The south-facing RGB backlighting feature.

Image 3.3: The keyboard's integrated 4000mAh high-capacity lithium battery.
4. Instrucións de configuración
4.1. Switch and Keycap Installation
The GMK108 kit features hot-swappable sockets, allowing for easy installation and removal of 3-pin or 5-pin mechanical switches without soldering. Use the included switch puller to remove or insert switches. After installing switches, place your desired keycaps onto the switches.

Image 4.1: The GMK108 barebones kit ready for switch and keycap installation.
4.2. Opcións de conectividade
The keyboard supports three connection modes: wired (USB-C), 2.4GHz wireless, and Bluetooth 5.0. Use the switches located on the back of the keyboard to select your preferred mode.

Image 4.2: Connectivity and OS selection switches on the keyboard.
- Modo cableado: Connect the keyboard to your device using the provided USB-C cable. The keyboard will automatically switch to wired mode and begin charging.
- Modo sen fíos de 2.4 GHz: Insert the 2.4GHz USB receiver into an available USB port on your computer. Slide the switch on the keyboard to '2.4G'. The keyboard should connect automatically.
- Modo Bluetooth 5.0: Slide the switch on the keyboard to 'BT'. On your device, search for Bluetooth devices and select 'GMK108' to pair. The keyboard supports connecting to up to three Bluetooth devices. Switch between paired devices using FN+Q, FN+W, ou FN+E.

Image 4.3: Visual representation of the three connectivity modes.
4.3. Compatibilidade do sistema
The keyboard is compatible with both Windows and macOS operating systems. Use the 'MAC/WIN' switch on the back of the keyboard to select the appropriate operating system layout.
4.4. Cargando
Connect the USB-C cable to the keyboard and a power source (e.g., computer USB port, USB wall adapter) to charge the internal 4000mAh battery. The keyboard can be used while charging.
Build and Customization Video
Video 4.1: A guide on building and customizing your GMK108 DIY Keyboard Kit.
5. Instrucións de funcionamento
5.1. Funcións básicas do teclado
The GMK108 functions as a standard 108-key keyboard. All keys are fully functional upon connection. The N-Key Rollover (NKRO) feature ensures that all key presses are registered accurately, even during rapid typing or complex key combinations.
5.2. Control da retroiluminación RGB
The keyboard features customizable RGB backlighting. Use the FN+| key combination to cycle through various lighting effects and adjust brightness or speed.
5.3. Programación VIA
The GMK108 is VIA programmable, allowing for advanced customization of key functions, macros, and lighting. Download the VIA software from the official website (refer to the product page or manufacturer's website for the correct link). Once installed, connect your keyboard via USB-C to access the programming interface.

Image 5.1: The VIA software interface for customizing key functions and lighting.
Keyboard Usage Demonstration Video
Video 5.1: A demonstration of the GMK108 custom keyboard in use.
6. Mantemento
6.1. Limpeza
To clean the keyboard, first disconnect it from all power sources. Use a soft, dry cloth to wipe the surface. For deeper cleaning, remove keycaps and switches using the provided tools. Use compressed air to remove dust and debris from between the switches. Clean keycaps with mild soap and water, ensuring they are completely dry before reattaching.
6.2. Substitución do interruptor e da tapa das teclas
The hot-swappable design allows for easy replacement of switches and keycaps. Use the switch puller to carefully remove switches by gripping them firmly and pulling straight up. To install new switches, align the pins with the sockets and press down gently until they click into place. Ensure pins are not bent. Keycaps can be removed with a keycap puller or by hand, and new ones pressed onto the switch stems.

Image 6.1: A switch puller, essential for hot-swappable switch maintenance.
7 Solución de problemas
- O teclado non responde: Ensure the keyboard is properly connected (wired, 2.4GHz receiver, or Bluetooth paired). Check the mode switch on the back of the keyboard. If using wireless, ensure the battery is charged.
- Chaves que non se rexistran: For hot-swappable keyboards, ensure switches are fully seated in their sockets. Remove and re-insert any problematic switches.
- A iluminación RGB non funciona: Check the FN+| key combination to ensure lighting is enabled and adjusted. If using VIA, verify lighting settings in the software.
- Problemas de conexión Bluetooth: Ensure the keyboard is in Bluetooth mode and your device's Bluetooth is enabled. Try unpairing and re-pairing the keyboard. Ensure no other devices are interfering.
- Problemas coa rede sen fíos de 2.4 GHz: Ensure the 2.4GHz receiver is securely plugged into a USB port and the keyboard is in 2.4G mode. Try a different USB port.
- A batería non se carga: Ensure the USB-C cable is securely connected to both the keyboard and a working power source. Try a different USB-C cable or power adapter.
8. Especificacións
| Marca | NENO |
| Número de modelo | GMK108 |
| Tecnoloxía de conectividade | 2.4Ghz, Bluetooth 5.0, USB-C |
| Número de chaves | 108 |
| Disposición do teclado | QWERTY |
| Tipo de cambio | Mechanical (Barebones) |
| Retroiluminación | RGB |
| Capacidade da batería | 4000 mAh |
| Dimensións do produto | 17.2 cm de longo x 1 cm de ancho x 5.4 cm de alto |
| Peso do elemento | 2 libras |
| Material do recinto | Plástico |

Image 8.1: Physical dimensions and weight of the GMK108 keyboard kit.
9. Garantía e soporte
9.1. Información da garantía
The BOYI GMK108 Barebones Mechanical Keyboard Kit comes with a 1 ano de garantía desde a data de compra. Esta garantía cobre defectos de fabricación e avarías en condicións de uso normal. Conserve o comprobante de compra para reclamacións de garantía.
9.2. Atención ao cliente
For technical assistance, troubleshooting, or warranty inquiries, please contact BOYI customer support:
- Correo electrónico: boyiservice2020@163.com
- Tenda Amazon: Visita o BOYI Store on Amazon and click "Ask a question" to contact us directly.