1. Produk verbyview
The JOMAA 78 Keys Dual Mode Wireless Trackball Keyboard offers versatile connectivity and ergonomic design for enhanced productivity across multiple devices. Featuring both 2.4GHz wireless and Bluetooth 5.0, it allows seamless switching between up to three connected devices. The integrated 19mm optical trackball provides precise cursor control, eliminating the need for a separate mouse and saving valuable desk space. Its compact, lightweight, and energy-efficient design makes it ideal for various computing environments.

Image 1: JOMAA 78 Keys Dual Mode Wireless Trackball Keyboard
This image displays the sleek, silver-colored JOMAA 78 Keys Dual Mode Wireless Trackball Keyboard, highlighting its compact layout and integrated trackball. The image also shows icons indicating system-wide compatibility (Windows, Mac, iOS, Android), multi-device association (three devices), and dual wireless connectivity (Bluetooth/2.4G).
2. Pakketinhoud
- JOMAA 78 Keys Dual Mode Wireless Trackball Keyboard
- 2.4GHz USB Receiver (stored inside the keyboard's battery compartment)
- USB-laaikabel
- Vinnige Begingids
- 2 x AA Batteries (included, pre-installed in some models)

Image 2: JOMAA Keyboard Package Contents Diagram
This diagram illustrates the various components of the JOMAA keyboard, including the keyboard itself, the left and right mouse buttons, the roller, Caps Lock indicator, charging and low voltage alarm lights, and the 19mm trackball. It also details the DPI adjustment keys (F1-F4) and the function keys for switching between Bluetooth 1, Bluetooth 2, and USB modes.
3. Produkkenmerke
- Dual-Mode Wireless Connectivity: Supports stable 2.4GHz wireless (nano receiver included) and advanced Bluetooth 5.0 connection.
- Multi-toestel-paring: Easily pair with and switch between up to 3 devices (PC, tablet, phone) simultaneously.
- Wye verenigbaarheid: Broadly compatible with Windows, macOS, iOS, and Android operating systems.
- Integrated Trackball Design: Features a built-in 19mm precision optical trackball for accurate and smooth cursor control, eliminating the need for a separate mouse.
- Energiedoeltreffend: Low power consumption (≤10mA working current) for long-lasting battery life with 2 AA batteries.
- Draagbare ontwerp: Compact 78-key layout and lightweight (403g) for travel or clutter-free workspaces.
- Prop en speel: No drivers needed for 2.4G connection; quick Bluetooth pairing.
- Gebruikersvriendelike ergonomie: Thoughtful key layout and thumb-operated trackball designed to reduce arm movement and wrist strain.

Image 3: JOMAA Keyboard Multi-Device Compatibility
This image illustrates the keyboard's ability to connect to multiple devices, including a smartphone, tablet, and desktop computer, via Bluetooth (BT1, BT2) and a 2.4G USB receiver, allowing for seamless switching between them.
4. Opstelinstruksies
4.1. Battery Installasie
- Vind die batterykompartement aan die onderkant van die sleutelbord.
- Skuif die batterydeksel oop.
- Plaas 2 AA-batterye in en verseker die korrekte polariteit (+/-).
- Maak die batterydeksel stewig toe.
4.2. 2.4GHz Draadlose Verbinding
- Locate the 2.4GHz USB receiver, usually stored in the keyboard's battery compartment.
- Koppel die USB-ontvanger aan 'n beskikbare USB-poort op jou rekenaar of toestel.
- Slide the power switch on the keyboard to the 'ON' position.
- Press the 'FN' key + '3' key (labeled 2.4G) to select 2.4G mode. The indicator light will illuminate.
- Your device should automatically detect and connect to the keyboard.
4.3. Bluetooth-koppeling
Die sleutelbord ondersteun twee Bluetooth-kanale (BT1 en BT2).
- Slide the power switch on the keyboard to the 'ON' position.
- Press and hold the 'FN' key + '1' key (for BT1) or 'FN' key + '2' key (for BT2) for 3-5 seconds until the corresponding Bluetooth indicator light starts blinking rapidly. This indicates the keyboard is in pairing mode.
- Gaan na Bluetooth-instellings op jou toestel (rekenaar, tablet, slimfoon).
- Soek vir new devices and select "JOMAA Keyboard" (or similar name) from the list.
- Follow any on-screen prompts to complete the pairing process. The indicator light on the keyboard will stop blinking and remain solid once connected.
- To pair another device, repeat steps 2-5 using the other available Bluetooth channel.
Video 1: JOMAA Keyboard Unboxing and Setup
This video demonstrates the unboxing of the JOMAA keyboard, showing its sleek design and how to install the batteries and connect via the 2.4GHz USB receiver. It highlights the ease of setup and the keyboard's sturdy construction.
5. Bedryfsinstruksies
5.1. Wissel tussen toestelle
Once paired, you can switch between connected devices by pressing the 'FN' key along with the corresponding channel key:
- FN + 1: Skakel oor na Bluetooth-toestel 1
- FN + 2: Skakel oor na Bluetooth-toestel 2
- FN + 3: Switch to 2.4GHz USB Receiver Device
5.2. Trackball Usage
The integrated 19mm optical trackball is located on the right side of the keyboard. Use your thumb to control the cursor movement. The left and right mouse click buttons are positioned conveniently next to the trackball.

Image 4: JOMAA Keyboard Trackball and X-Structure
This image highlights the smooth trackball for accurate and precise cursor positioning. It also features a diagram illustrating the X-Structure of the keys, which provides a steady and great rebound feeling for comfortable typing.
5.3. Adjusting Trackball DPI (Cursor Speed)
You can adjust the trackball's DPI (dots per inch) to change cursor sensitivity:
- FN+F1: 800 VPI
- FN+F2: 1000 VPI
- FN+F3: 1200 VPI
- FN+F4: 1600 VPI
5.4. Media and Function Keys
The F1-F12 keys have secondary media functions. To activate these, press the 'FN' key simultaneously with the desired F-key.
- FN+F5: Vorige Snit
- FN+F6: Speel / Pouse
- FN+F7: Volgende Snit
- FN+F8: Demp
- FN+F9: Volume af
- FN+F10: Volume op
6. Batteryinligting en laai
The keyboard operates on 2 AA batteries. For optimal performance and battery life, use high-quality alkaline batteries. The low power consumption design ensures extended usage.
- Lae Voltage Alarm: An orange indicator light will illuminate when the battery level is low, signaling that batteries need replacement.
- Laai: If your model supports rechargeable batteries, use the provided USB charging cable to connect the keyboard to a power source. The charging indicator light will show charging status.
7. Onderhoud
- Skoonmaak: Gebruik 'n sagte, droë lap om die sleutelbordoppervlak skoon te maak. Vir hardnekkige vuiligheid, liggiesampMaak die lap skoon met water of 'n sagte skoonmaakoplossing. Vermy oormatige vog.
- Skoonmaak van die spoorbal: Periodically remove the trackball (if removable) and clean its housing and the ball itself to ensure smooth operation.
- Berging: When not in use for extended periods, turn off the keyboard to conserve battery life. Store in a cool, dry place.
8. Probleemoplossing
8.1. Konnektiwiteitsprobleme
- Geen verbinding: Ensure the keyboard is powered on and the correct channel (BT1, BT2, or 2.4G) is selected.
- 2.4GHz: Verify the USB receiver is securely plugged into your device. Try a different USB port.
- Bluetooth: Ensure Bluetooth is enabled on your device and the keyboard is in pairing mode (blinking indicator). Remove previous pairings on your device and try re-pairing.
- Inmenging: Beweeg die sleutelbord nader aan jou toestel en weg van ander draadlose toestelle wat steuring kan veroorsaak.
8.2. Sleutelbord reageer nie
- Batterykontrole: Replace batteries if the low voltage indicator is on or if the keyboard is unresponsive.
- Krag siklus: Turn the keyboard off, wait a few seconds, then turn it back on.
- Herpaar: If issues persist, try re-pairing the keyboard with your device.
8.3. Trackball Not Working
- Clean Trackball: Dust or debris can affect trackball performance. Clean the trackball and its housing as described in the Maintenance section.
- DPI -instelling: Ensure the DPI setting is not too low (FN + F1). Adjust to a higher setting if needed.
9. Spesifikasies
| Model | 78 Keys Dual Mode Wireless Trackball Keyboard |
| Verbindingstegnologie | Bluetooth 5.0, 2.4GHz USB |
| Aantal sleutels | 78 |
| Trackball Size | 19mm Optical |
| Bedryfstelselversoenbaarheid | Windows, macOS, iOS, Android |
| Bedryfsvoltage | 3V |
| Werkstroom | ≤10mA |
| Transmissie afstand | 7-10 meters (33 feet) |
| Kragbron | 2 x AA-batterye |
| Item gewig | 1.14 pounds (403g without battery) |
| Afmetings | 12.6 x 10.63 x 1.57 duim |

Image 5: JOMAA Keyboard Dimensions and Specifications
Hierdie beeld bied 'n gedetailleerde view of the keyboard's dimensions (28.6cm length, 14.9cm width, 3.1cm height) and lists key specifications such as transmission distance (7-10m), number of keys (78), compatible OS (Windows 7/10/11, Mac 10.6-15.2), operating current (≤10mA), trackball size (19mm), weight (403g without battery), and operating voltage (3V).
10. Waarborg en Ondersteuning
For warranty information, technical support, or customer service inquiries, please refer to the official JOMAA webwebwerf of kontak hul kliëntediens direk. Bewaar u aankoopbewys vir waarborgeise.