1. Introducció
Thank you for choosing the CIDOO V21 V2 QMK Programmable Numeric Keypad. This high-performance mechanical keypad is designed for versatility and customization, featuring tri-mode connectivity (Bluetooth 5.0, 2.4GHz wireless, and wired USB Type-C), hot-swappable switches, PBT keycaps, and a premium powder-coating CNC aluminum chassis with a gasket mount design. It is fully QMK/VIA programmable, allowing for extensive personalization of key functions and RGB backlighting. This manual will guide you through the setup, operation, and maintenance of your new numeric keypad.
2. Producte acabatview
Característiques clau
- Connectivitat trimodal: Seamlessly switch between Bluetooth 5.0, 2.4GHz wireless, and wired USB Type-C connections.
- QMK/VIA Programmable: Customize key assignments, macros, and RGB lighting effects with the powerful VIA software.
- Interruptors intercanviables en calent: Easily change mechanical switches without soldering, allowing for personalized typing feel.
- Disseny de muntatge de junta: Provides a flexible and cushioned typing experience, enhancing sound and feel.
- Construcció Premium: Durable powder-coating CNC aluminum chassis with Poron foam for improved acoustics.
- Tecles PBT: High-quality, durable keycaps resistant to shine and wear.
- RGB Backlight with South-facing LEDs: Vibrant customizable backlighting, optimized for compatibility with most custom keycaps.
- 20 Keys + 1 Rotary Knob: Compact layout with a versatile rotary knob for volume control or other programmable functions.
- Àmplia compatibilitat: Supports Windows, macOS, and various other operating systems for desktop, laptop, and tablet use.
Contingut del paquet

Marqueu la casella per als elements següents:
- CIDOO V21 V2 Numeric Keypad
- Cable USB-C a USB-A
- Extractor de tecles
- Tirador de commutació
- Receptor USB de 2.4 GHz
- Manual d'usuari
Disposició del teclat


3. Instruccions de configuració
Connecting Your Keypad
The CIDOO V21 V2 offers three connection modes: Wired, 2.4GHz Wireless, and Bluetooth 5.0. You can switch between these modes using the switch located on the back or side of the keypad (refer to your specific model's physical layout).

Mode per cable
- Connect the USB-C end of the provided cable to the keypad's USB-C port.
- Connecteu l'extrem USB-A del cable a un port USB disponible de l'ordinador.
- The keypad will be automatically recognized and ready for use.
Mode sense fil de 2.4 GHz
- Locate the 2.4GHz USB receiver in the package.
- Connecteu el receptor de 2.4 GHz a un port USB disponible de l'ordinador.
- Switch the keypad to 2.4GHz mode (usually indicated by a specific position on a toggle switch or an FN key combination).
- The keypad should connect automatically. If not, press and hold the FN key and the designated 2.4GHz pairing key (often 'P' or a similar indicator) until the indicator light flashes rapidly, then release. The light will become solid when connected.
Mode Bluetooth 5.0
- Switch the keypad to Bluetooth mode.
- On your computer or device, open Bluetooth settings and enable Bluetooth.
- On the keypad, press and hold the FN key along with one of the Bluetooth pairing keys (e.g., FN+1, FN+2, FN+3) for 3-5 seconds until the indicator light flashes rapidly. This indicates it's in pairing mode.
- On your device, select "CIDOO V21 V2" (or similar name) from the list of available Bluetooth devices to pair.
- The indicator light on the keypad will become solid when successfully paired.
- You can pair up to three Bluetooth devices and switch between them using FN+1, FN+2, or FN+3.
Compatibilitat de sistemes operatius

The CIDOO V21 V2 is compatible with both Windows and macOS. Use the following key combinations to switch between operating system modes:
- Mode Windows: Premeu
FN + 9 - Mode macOS: Premeu
FN + .(period key)
4. Instruccions de funcionament
QMK/VIA Programmability
The CIDOO V21 V2 is fully programmable using QMK firmware and the VIA configurator. VIA allows you to remap keys, create macros, and customize RGB lighting effects in real-time without flashing new firmware. Download the VIA software from the official VIA website and connect your keypad in wired mode to access its full customization potential.
Funcionalitat del botó rotatiu
The rotary knob typically controls volume by default:
- Girar en sentit horari: Augmentar el volum
- Girar en sentit antihorari: Disminuir el volum
- Prémer: Silencia/activa l'àudio
The knob's functions can be customized via the VIA software.
Il·luminació de fons RGB
The keypad features customizable RGB backlighting with south-facing LEDs. Specific FN key combinations are usually used to cycle through lighting effects, adjust brightness, and change colors. Refer to the VIA software for advanced customization of lighting.
Càrrega del teclat
When the keypad's battery is low, the indicator light will flash red. Connect the keypad to a USB power source using the provided USB-C cable to charge it.

- Flaix vermell: La bateria s'està carregant.
- Always Red Light: La bateria està completament carregada.
- Llum vermella apagada: Keypad is not charging, or it is fully charged and disconnected.
5. Manteniment
Neteja
To clean your keypad:
- Disconnect the keypad from your computer.
- Utilitzeu un drap suau i sense pelusa lleugerament dampesbandida amb aigua o una solució netejadora suau per netejar la superfície.
- For deeper cleaning, use the provided keycap puller to remove keycaps and a brush or compressed air to clean dust and debris from between the switches.
- Ensure the keypad is completely dry before reconnecting.
Switch Replacement (Hot-Swappable)
The CIDOO V21 V2 features hot-swappable switch sockets, allowing you to change switches without soldering.

- Using the provided switch puller, carefully grip the top and bottom clips of the switch you wish to remove.
- Estireu suaument l'interruptor cap amunt fins que es desprengui de la placa de circuit imprès.
- Alineeu els pins del nou interruptor amb els forats de la placa de circuit imprès. Assegureu-vos que els pins estiguin rectes per evitar que es dobleguin.
- Press the new switch firmly into place until it clicks. Do not force it if it doesn't go in easily; check pin alignment.
Cura de la bateria
- Avoid exposing the keypad to extreme temperatures.
- No descarregueu completament la bateria amb freqüència.
- If storing the keypad for an extended period, charge it to about 50% to prolong battery life.
6. Solució De Problemes
Problemes de connectivitat
- Keypad not connecting in 2.4GHz or Bluetooth mode: Ensure the keypad is switched to the correct mode. For 2.4GHz, check if the USB receiver is properly plugged in. For Bluetooth, ensure your device's Bluetooth is on and the keypad is in pairing mode. Try re-pairing.
- Connexió intermitent: Move the keypad closer to your device or 2.4GHz receiver. Avoid interference from other wireless devices. Ensure the battery is sufficiently charged.
Les claus no responen
- In wired mode: Prova amb un port o cable USB diferent.
- In wireless modes: Check battery level. Reconnect the keypad.
- Tecles específiques que no funcionen: If you recently replaced a switch, ensure it is fully seated and its pins are not bent. Try replacing the switch with a known working one.
Problemes de retroiluminació
- Les llums RGB no funcionen: Ensure the keypad is powered on and not in a low-power state. Check VIA software settings for lighting controls.
- Il·luminació inconsistent: This could indicate a software glitch or a loose connection. Try resetting the keypad or reinstalling VIA.
Reinicialització del teclat
If you experience persistent issues, a factory reset may resolve them. Consult the VIA software or the official CIDOO support resources for specific factory reset instructions, as this can vary.
7. Especificacions
| Característica | Especificació |
|---|---|
| Marca | CIDOO |
| Model | V21 V2 |
| Connectivitat | Bluetooth 5.0, 2.4GHz Wireless, Wired (USB Type-C) |
| Interruptors | Hot-swappable Mechanical Switches (CIDOO Matte Switch) |
| Taps de claus | Tecles PBT |
| Disseny | Mini Keyboard Standard (20 keys + 1 rotary knob) |
| Llum de fons | RGB Backlight, South-facing LED |
| Programabilitat | QMK/VIA programable |
| Material de construcció | Powder-coating CNC Aluminum, Gasket Mount |
| Bateria | Inclòs |
| Aplicació | Escriptori, Portàtil, Número, Tauleta |
| Llengua | Anglès |
| Dimensions del paquet (L x W x H) | 10 cm x 10 cm x 10 cm |
| Pes del paquet | 1.2 kg |
| Suport de canell | No |
8. Consells d'usuari
- Customize with VIA: Aprofiteu al màximtage of the QMK/VIA programmability. Download the VIA software to remap keys, create macros, and personalize RGB lighting to suit your workflow and aesthetic preferences.
- Experimenta amb interruptors: Since the keypad is hot-swappable, don't hesitate to try different mechanical switches to find your preferred typing feel and sound.
- Optimitzar el rendiment sense fil: For the most stable 2.4GHz wireless connection, ensure the USB receiver is placed in a clear line of sight to the keypad and away from potential interference sources like large metal objects or other wireless devices.
- Gestió de la bateria: Regularly charge your keypad to avoid interruptions during use. If you notice performance degradation, a full charge is often the first step in troubleshooting.
9. Garantia i Suport
Informació de la garantia
Your CIDOO V21 V2 Numeric Keypad comes with a standard manufacturer's warranty. Please retain your proof of purchase for any warranty claims. Free returns are available within 90 days of purchase, subject to the seller's return policy.
Atenció al client
For technical assistance, troubleshooting, or warranty inquiries, please contact CIDOO customer support through the retailer's platform or the official CIDOO website. Provide your product model and a detailed description of the issue for faster service.