1. Introdución
The ProtoArc XK01 is a portable, full-size foldable Bluetooth keyboard designed for seamless productivity across multiple devices. Its compact design, comfortable typing experience, and long-lasting battery make it ideal for on-the-go use. This manual provides essential information for setting up, operating, and maintaining your keyboard.
2. Características do produto
2.1 Portabilidade e deseño
The XK01 features a triple-fold design, making it as compact as an iPad mini when folded. Weighing only 291g, it's easy to carry in a bag or laptop case, perfect for use in cafes, libraries, offices, or during travel. The high-quality hinges are designed to withstand over 100,000 open/close cycles, ensuring excellent durability. Strong magnets securely hold the keyboard closed, preventing accidental opening in your bag.
Unfolded dimensions: 38.58 × 11.89 × 1.22 cm
Folded dimensions: 21.49 × 11.89 × 1.98 cm

Image: Keyboard dimensions and folded size comparison.

Image: Keyboard easily fits into a bag for portability.
2.2 Experiencia de mecanografía
Experience a comfortable and responsive typing feel similar to a laptop. The keyboard utilizes a pantograph key structure with a 19mm key pitch and a shallow 1.2mm key stroke, designed to prevent mistyping and ensure smooth input.

Image: User typing on the ProtoArc XK01 keyboard.

Imaxe: Detallada view of the pantograph key structure and key pitch.
2.3 Standard Japanese Layout with Shortcut Keys
The XK01 features a standard Japanese JIS 105-key layout, allowing for a familiar typing experience. It includes specialized keys for Japanese input such as the inverted L-shaped large Enter key, 'Half/Full-width' key, 'Convert' and 'Non-convert' keys, a right Ctrl key, and a large independent Delete key, enhancing typing efficiency. Additionally, 14 convenient shortcut keys are integrated for quick access to functions like app switching, home screen display, volume adjustment, and multimedia controls. The integrated numeric keypad further enhances efficiency for data entry.

Image: Japanese key layout and dedicated function keys.

Imaxe: Máis deview of the 14 shortcut keys.
2.4 Conectividade multidispositivo
Connect up to three devices simultaneously via Bluetooth. The keyboard supports a wide range of operating systems including iPadOS, iOS, Android, Mac, and Windows. Easily switch between connected devices with a single button, making it convenient for users who work with multiple PCs, tablets, and smartphones.

Image: Keyboard connected to multiple devices simultaneously.
2.5 Long Battery Life & Energy Saving
Equipped with a 210mAh large-capacity battery, a single full charge provides approximately 1-2 weeks of continuous use or up to 150 days of standby time. The keyboard features energy-saving designs such as automatic sleep after 60 minutes of inactivity and automatic power ON/OFF when folded/unfolded, minimizing unnecessary power consumption. Type-C rapid charging is supported.

Image: Type-C charging port and battery information.
3. Instrucións de configuración
3.1 Unfolding and Power On
Gently unfold the keyboard until it lies flat. The keyboard will automatically power on due to its magnetic design. Five convenient LED lights on the top of the keyboard allow for quick checking of battery level and connection status.
3.2 Emparejamento Bluetooth
- Ensure the keyboard is sufficiently charged. Connect the provided Type-C cable to charge if necessary.
- Turn on Bluetooth on your device (smartphone, tablet, PC).
- Preme o Fn key along with one of the Bluetooth channel keys (Fn + BT1, BT2, ou BT3) to select a pairing channel. The corresponding LED indicator will flash.
- On your device, search for 'ProtoArc XK01' in the Bluetooth settings and select it to pair.
- Once paired, the LED indicator will stop flashing and remain solid for a few seconds.
- To switch between connected devices, simply press the Fn key and the corresponding Bluetooth channel key (Fn + BT1/BT2/BT3).
3.3 OS Compatibility Note
For iOS/iPadOS devices running versions older than iOS 16 / iPadOS 16, the keyboard may be recognized as an English layout keyboard, leading to incorrect input. Please update your device's operating system to iPadOS 16 or later for optimal Japanese input functionality. Refer to your device's settings to change the keyboard layout to Japanese.
4. Instrucións de funcionamento
4.1 Xestión de enerxía
- Encendido/apagado automático: The keyboard automatically powers on when unfolded and powers off when folded due to its magnetic design.
- Suspensión automática: The keyboard will enter automatic sleep mode after 60 minutes of inactivity to conserve battery. Press any key to wake it up.
4.2 Teclas de atallo
Utilize the 14 shortcut keys for quick access to various functions. Press the Fn en combinación coa tecla de función desexada.
- Fn+F1: Baixo o brillo
- Fn+F2: Brillo Arriba
- Fn+F3: Interruptor de fiestra
- Fn+F4: Interruptor de aplicación
- Fn+F5: Mostrar escritorio
- Fn+F6: busca
- Fn+F7: Pista anterior
- Fn+F8: Reproducir/Pausa
- Fn+F9: Próxima pista
- Fn+F10: Silenciar
- Fn+F11: Baixar o volume
- Fn+F12: Subir volume
4.3 Fn Lock
To toggle Fn Lock (to use F1-F12 keys directly without pressing Fn), press the Fn clave e o Esc tecla simultaneamente.
5. Cargando
Connect the provided Type-C charging cable to the keyboard's Type-C port and a power source (e.g., USB wall adapter, computer USB port). The charging indicator LED will light up. A full charge takes approximately 2 hours. The keyboard can be used while charging.
6 Solución de problemas
6.1 Keys not responding or incorrect characters
This often indicates that your device recognizes the keyboard as an English layout instead of Japanese. Please change the keyboard layout to Japanese in your device's settings. For example, on an iPad, navigate to Settings > General > Keyboard > Hardware Keyboard and select the Japanese layout.
6.2 Problemas de conexión
Ensure Bluetooth is enabled on your device and the keyboard is sufficiently charged. Try re-pairing the keyboard by following the Bluetooth pairing instructions in Section 3.2.
6.3 Keyboard not turning on
Ensure the keyboard is fully unfolded. If it still doesn't turn on, charge it using the Type-C cable. The battery might be depleted.

Image: Common troubleshooting tips.
7. Especificacións
| Marca | ProtoArco |
| Modelo | XK01 |
| Tecnoloxía de conectividade | Bluetooth |
| Descrición do teclado | Pantógrafo |
| Usos recomendados | Business, Student, Education, Everyday Use |
| Características especiais | Hotkeys & Media Keys, Portable, Rechargeable, Foldable, Lightweight |
| Cor | Negro |
| Dimensións do produto (desdobrado) | 38.6 cm (L) x 11.9 cm (W) x 1.2 cm (H) |
| Compoñentes incluídos | Manual de usuario, cable de carga |
| Número de baterías | 1 |
| Dispositivos compatibles | iPadOS 16+, Win 8/10+, Mac OS X 10.10+, Android 4.3+, Smartphones, Tablets, Desktops, Laptops |
| Fonte de enerxía | Alimentado por batería |
| Tipo de cambio | Táctil |
| Disposición do teclado | QWERTY (Japanese JIS) |
| Número de chaves | 109 |
| Peso do elemento | 291 gramos |
8. Garantía e soporte
This product comes with an 18-month manufacturer's warranty from the date of purchase. In case of any defects or damage, please contact our customer support. We offer free exchanges or full refunds.
For further assistance, please refer to the contact information provided in the full user manual (PDF version available on the product page) or on the ProtoArc brand store page.

Image: Customer support contact details.
9. Vídeos de produtos
9.1 Produto superadoview
Vídeo: Unha rápida revisiónview of the ProtoArc XK01 foldable keyboard, demonstrating its folding mechanism and compact size.