1. Introduction
Thank you for choosing the JOMAA DF047 Ergonomic Foldable Bluetooth Keyboard. This manual provides detailed instructions on how to set up, operate, and maintain your new keyboard. Designed for portability and comfort, this keyboard offers a seamless typing experience across multiple devices.
For a comprehensive guide and additional documents, please refer to the official user manual PDF: JOMAA DF047 User Manual (PDF).
2. Product Features
- Dual-Mode Connectivity: Supports both 2.4G wireless and Bluetooth connections for versatile use.
- Ergonomic Foldable Design: 6-row layout with an innovative reverse-lock slot design prevents bending, ensuring a flat typing surface even on uneven areas. The 166-degree ergonomic split design reduces arm fatigue.
- Multi-Device Switching: One-click seamless switching between up to three paired devices (2.4G, BT1, BT2).
- Full-Size Layout with Shortcuts: Compact full-size keyboard with 80 keys, including 12 convenient shortcuts for enhanced efficiency.
- Portable & Compact: Weighs only 9 ounces, palm-sized when folded, making it easy to carry in a pocket or backpack. Features strong magnetic adsorption to prevent accidental opening.
- Integrated 2.4G Receiver Slot: A newly upgraded slot for convenient storage of the 2.4G receiver, preventing loss.
- Elegant & Durable: Features an elegant, wear-resistant PU leather surface.
- Long-Lasting Battery: Built-in rechargeable lithium battery provides up to 120 days of standby time and 2 hours for a full charge.
- Wide Compatibility: Compatible with Windows, iOS, Android, and Mac operating systems.
Figure 1: Overview of JOMAA DF047 Product Features including secure clip, portable receiver slot, indicator lights, and dual-system configuration.
3. Technical Specifications
| Attribute | Specification |
|---|---|
| Brand Name | JOMAA |
| Model | DF047 |
| Type | Bluetooth Wireless |
| Operation Style | Membrane |
| Interface Type | USB (for 2.4G receiver and charging) |
| Keyboard Standard | Laptop keyboard |
| Keycup Material | PBT plastic |
| Keycup Printing | Laser |
| Backlight Type | No backlight |
| Switches Hot Swap | No |
| Full Size Keyboard | No (Compact) |
| Battery Included | Yes |
| Working Current (BT) | <2mA |
| Working Current (2.4G) | 3mA |
| Sleep Current (BT) | 15mA |
| Standby Time | 120 Days |
| Full Charge Time | 2 Hours |
| Product Dimensions (Folded) | 18cm x 13cm x 1.8cm (7.08in x 5.12in x 0.71in) |
| Product Dimensions (Unfolded) | 36cm x 13cm x 1.8cm (14.17in x 5.12in x 0.71in) |
| Weight | Approx. 9 ounces (0.25 kg) |
| Origin | Mainland China |
| Certification | CE, Dot, EAC, EPA, FCC, GMP, RoHS, TGA, KC, pse, weee |
Figure 2: JOMAA DF047 keyboard dimensions when folded and unfolded.
4. Setup Instructions
4.1. 2.4G Wireless Connection
- Take out the 2.4G receiver from its storage slot. Ensure the receiver is facing up.
- Plug the receiver into an available USB port on your computer.
- Turn on the keyboard's power switch.
- The computer should automatically recognize the keyboard. Once recognized, you can begin using your keyboard.
Figure 3: Location of the 2.4G receiver storage slot.
4.2. Bluetooth Connection
The keyboard supports pairing with up to two Bluetooth devices (BT1 and BT2).
- Turn on the keyboard's power switch.
- Press and hold the Fn + C keys for 3 seconds. The blue indicator light will flash, indicating the keyboard is in Bluetooth pairing mode.
- On your device (computer, tablet, smartphone), navigate to the Bluetooth settings.
- Search for available Bluetooth devices. You should see "Jomaa Keyboard" in the list.
- Select "Jomaa Keyboard" to pair. Once connected, the blue indicator light will stop flashing.
Specific Steps for Different Operating Systems:
- Windows System: Go to Settings > Bluetooth & devices > Add device > Bluetooth. Select "Jomaa Keyboard".
- iOS System: Go to Settings > Bluetooth. Select "Jomaa Keyboard".
- Android System: Go to Settings > Bluetooth. Select "Jomaa Keyboard".
- macOS: Go to System Settings > Bluetooth. Select "Jomaa Keyboard".
Figure 4: The keyboard supports one-click switching between 2.4G, BT1, and BT2 connections.
5. Operation
5.1. Multi-Channel Connection and Switching
The keyboard allows you to connect to up to three devices simultaneously (one via 2.4G, two via Bluetooth).
- Connecting First Bluetooth Device: After entering pairing mode (Fn+C), short press Fn + BT1 to select the BT1 channel, then pair with your device.
- Connecting Second Bluetooth Device: After entering pairing mode (Fn+C), short press Fn + BT2 to select the BT2 channel, then pair with your device.
- Switching Between Devices: To switch between connected devices, simply short press Fn + 2.4G, Fn + BT1, or Fn + BT2 depending on the desired connection.
5.2. Switching Input Languages
- iOS/Android/Mac: Press Control + Space key or Shift + Space key.
- Windows: Press Alt + Shift.
5.3. Status Display LED
- Low Voltage Indicator: A red light will flash when the keyboard's voltage drops below 3.3V, indicating that it needs to be charged.
- Charging Indicator: A green light will be on during charging. The light will turn off once the keyboard is fully charged.
Figure 5: The keyboard charging process, showing battery life and charging time.
6. Keyboard Maintenance
- Keep the keyboard away from liquids to prevent damage.
- Avoid exposing the keyboard to extremely high or low temperatures.
- Do not place heavy objects on the keyboard.
- Protect the keyboard from sharp objects to prevent scratches.
- Charge the keyboard promptly when the low voltage indicator appears to prolong its lifespan.
7. Troubleshooting
- Q: The tablet/PC cannot connect to the Bluetooth keyboard.
-
- Ensure the Bluetooth keyboard is in pairing mode (blue light flashing after pressing Fn+C for 3 seconds).
- Verify that your device's Bluetooth is turned on and actively searching for devices.
- Check if the keyboard's battery is sufficient. A low battery can prevent successful connection. Charge the keyboard if necessary.
- Q: The keyboard's indicator light is constantly flashing during use.
-
A: A constantly flashing indicator light signifies low power. Please charge the keyboard immediately.
- Q: The tablet/PC displays an abnormal Bluetooth keyboard connection.
-
A: The Bluetooth keyboard may automatically disconnect after a period of inactivity to save power. Press any key on the keyboard to wake it up and re-establish the connection.
8. User Tips
- For optimal ergonomic benefits, ensure your wrists are straight and relaxed while typing. The keyboard's split design is intended to support a more natural hand position.
- When using the keyboard on your lap or an uneven surface, ensure the innovative locking clips are engaged to maintain stability and prevent the keyboard from collapsing.
- Take advantage of the multi-device switching feature by pairing your keyboard with your primary computer, tablet, and smartphone for quick transitions between tasks.
Figure 6: The keyboard's innovative locking clips provide stability when typing on uneven surfaces.
9. Warranty and Support
This device is warranted for one (1) year from the original purchase date against defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
For technical support or further inquiries, please contact JOMAA customer service.
10. Safety Warnings
WARNING:
- Please be aware of potential fire risks and strictly follow the instruction manual for charging and storage of the device.
- Do not open or attempt to repair this device yourself.
- Do not use this device in damp environments.
- For disposal of the lithium-ion battery, please check your local authority's website for more information and dispose of it safely in accordance with applicable legal requirements.
Copyright © JOMAA. All rights reserved. It is forbidden to copy this manual without permission.





