Introduction
This manual provides detailed instructions for setting up, operating, and maintaining your Doohoeek Bluetooth Backlit Keyboard Case with Trackpad. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
Compatibility
The Doohoeek Keyboard Case is designed for specific Samsung Galaxy Tab models. Please verify your tablet's model number before use.
- Samsung Galaxy Tab S8 Plus 12.4" (2022)
- Samsung Galaxy Tab S7 FE 12.4" (2021) (Models: SM-T730/T733/T735/T736/T738)
- Samsung Galaxy Tab S7 Plus 12.4" (2020) (Models: SM-T970/T975/T976/T978)
To check your tablet's model number, navigate to Settings > About Tablet on your device.
Package Contents
Ensure all items are present in the package:
- Bluetooth Keyboard (x1)
- Protective Case (x1)
- USB-C Charging Cord (x1)
- User Manual (x1)
Note: The tablet and S Pen are not included.
Setup Instructions
1. Charging the Keyboard
Before initial use, fully charge the keyboard using the provided USB-C charging cord.

Image: The keyboard's USB-C charging port is located on the side. Connect the provided USB-C cable to charge the internal 650mAh rechargeable lithium battery. Charging typically takes 2-3 hours.
2. Attaching the Tablet to the Case
Place your Samsung Galaxy Tab into the protective case. The case is designed to securely hold your tablet while providing access to all ports and buttons.
3. Attaching the Keyboard
The keyboard is magnetically attached to the case. Simply place the keyboard onto the designated area within the case. This magnetic design allows for easy removal if you prefer to use the tablet without the keyboard.

Image: The tablet is shown securely held within the case, with the keyboard magnetically attached below it. The image also illustrates the adjustable kickstand feature.
4. Adjusting the Viewing Angle
The case features an adjustable 3-level kickstand. Extend the kickstand to achieve your preferred viewing or typing angle. The magnetic base ensures stability.
Operating Instructions
1. Powering On the Keyboard
Locate the power switch on the keyboard and slide it to the 'ON' position.
2. Bluetooth Pairing
- Ensure the keyboard is fully charged.
- Turn on the keyboard.
- Press and hold the Fn + C keys simultaneously for 3 seconds to enter Bluetooth pairing mode. The Bluetooth indicator light will flash.
- On your Samsung Galaxy Tab, go to Settings > Bluetooth and turn Bluetooth on.
- Select "wireless keyboard" from the list of available devices to connect.
3. Using the Trackpad
The integrated trackpad provides precise control and supports multi-touch gestures for efficient navigation. If you do not wish to use the trackpad, you can disable it.
- Enable/Disable Trackpad: Press Fn + Space Bar to lock or unlock the trackpad.

Image: A finger interacts with the responsive trackpad on the keyboard, highlighting its functionality.
4. Adjusting Backlit Keys
The keyboard features 7 colors and 3 levels of brightness for its backlit keys, allowing comfortable typing in various lighting conditions.
- Change Backlight Color: Press Fn + 💡 (bulb button, located next to the volume keys) to cycle through the 7 available colors.
- Adjust Brightness: Press the 💡 (bulb button) only to adjust the backlight brightness up or down through 3 levels.

Image: A close-up view of the keyboard keys illuminated in various colors, demonstrating the 7-color, 3-level brightness backlight feature.
5. S Pen Storage and Charging
The case includes an open slit designed for your S Pen, allowing for secure storage and quick power boosting while the S Pen is in place.

Image: A detailed view of the case's side, illustrating the dedicated slot for the S Pen, which also facilitates charging.
Maintenance
To maintain your keyboard case, follow these guidelines:
- Clean the keyboard and case regularly with a soft, dry, lint-free cloth.
- Avoid using harsh chemicals or abrasive cleaners.
- Keep the device away from liquids and extreme temperatures.
Troubleshooting
1. Keyboard Not Connecting via Bluetooth
- Ensure the keyboard is fully charged and powered on.
- Confirm the keyboard is in pairing mode (Fn + C pressed for 3 seconds).
- On your tablet's Bluetooth settings, try to "forget" or "delete" any previously connected devices, then attempt to reconnect the keyboard.
- Restart both your tablet and the keyboard, then try pairing again.
2. Cursor Randomly Moves While Typing
This can occur if the trackpad is accidentally touched during typing.
- Press Fn + Space Bar to lock the trackpad. Repeat to unlock when needed.
3. Backlight Not Working or Changing
- Ensure the keyboard is powered on and charged.
- Press Fn + 💡 to change colors.
- Press 💡 only to adjust brightness levels.
Specifications
| Model Number | SM-TKBD |
| Connectivity Technology | Bluetooth |
| Keyboard Layout | US Layout |
| Charging Port | USB-C |
| Special Features | Backlit, Trackpad |
| Keyboard Backlighting | 7 Colors, 3 Brightness Levels (RGB) |
| Battery Capacity | 650mAh |
| Charging Time | 2-3 Hours |
| Working Time (without backlight) | Approx. 300 hours |
| Material | Acrylonitrile Butadiene Styrene |
| Item Weight | 1.73 pounds |
Product Video
Video: This video demonstrates the features of the Doohoeek Backlit Keyboard Case, including its quiet scissor-switch keys, responsive trackpad, magnetic attachment, adjustable viewing angles, S Pen storage, and secure protection.
Warranty and Support
No specific warranty information is provided in this manual. For warranty details or technical support, please refer to the product packaging or contact Doohoeek customer service through their official channels or the retailer where the product was purchased.
You can visit the Doohoeek store on Amazon for more information: Doohoeek Amazon Store





