Introduction
This user manual provides comprehensive instructions for the SENGBIRCH detachable Bluetooth keyboard case, specifically designed for the Lenovo Tab M11 11-inch (2024) tablet (models TB330FU/TB330XU). Please read this manual thoroughly before using the product to ensure proper functionality and longevity.
Image: The SENGBIRCH keyboard case shown with a Lenovo Tab M11 tablet, illustrating the product's overall design and functionality.
Setup
1. Package Contents
Verify that all items are present in the package:
- 1 x SENGBIRCH Keyboard Case for Lenovo Tab M11 11-inch
- 1 x Wireless Bluetooth Keyboard
- 1 x USB-C Charging Cable
- 1 x User Manual (this document)
2. Compatibility
This keyboard case is exclusively designed for the Lenovo Tab M11 11-inch (2024) tablet, specifically models TB330FU and TB330XU. It is not compatible with other tablet models, including Lenovo Tab M10 Plus Gen 3 (10.6-inch) or Lenovo Tab M10 (10.1-inch).
Image: A visual guide illustrating the compatibility of the keyboard case with the Lenovo Tab M11 11-inch (2024) and its incompatibility with other Lenovo tablet models.
3. Charging the Keyboard
Before initial use, fully charge the keyboard. The integrated rechargeable battery provides extended usage time.
- Locate the USB-C charging port on the keyboard.
- Connect the provided USB-C cable to the keyboard and a suitable USB power adapter (not included).
- The charging indicator light will illuminate. A full charge typically takes 2 to 3 hours.
- Once fully charged, the keyboard can operate for approximately 10 hours of continuous use, with a standby time of up to 90 days.
Image: A close-up view of the keyboard's USB-C charging port, indicating where to connect the charging cable.
4. Bluetooth Pairing
Follow these steps to connect the keyboard to your Lenovo Tab M11 via Bluetooth:
- Ensure the keyboard is charged.
- Turn on the keyboard by sliding the ON/OFF switch to the "ON" position.
- Press the "Connect" button on the keyboard. The Bluetooth indicator light will start blinking, indicating it's in pairing mode.
- On your Lenovo Tab M11, go to Settings > Connected devices > Bluetooth.
- Turn on Bluetooth and search for available devices.
- Select "Bluetooth Keyboard" (or a similar name) from the list of available devices.
- Your tablet may display a pairing code. Type this code on the keyboard and press Enter.
- Once paired, the Bluetooth indicator light on the keyboard will stop blinking and remain solid or turn off, and your tablet will show the keyboard as connected.
The Bluetooth range is approximately 10 meters (33 feet).
5. Keyboard Layout Configuration (AZERTY)
To ensure the keyboard functions with the correct AZERTY layout for Android, follow these steps after successful Bluetooth pairing:
- Press Fn + A on the keyboard to switch to the Android system layout.
- If the layout is still incorrect, navigate to your tablet's Settings > System > Languages & input > Physical keyboard. Select your connected keyboard and configure the desired language and layout (e.g., French AZERTY).
- Alternatively, some users report success by pressing Ctrl + Space on the keyboard to cycle through input languages/layouts.
Operating Instructions
1. Attaching and Detaching the Keyboard
The keyboard is magnetically attached to the case, allowing for easy attachment and detachment.
- To attach: Align the keyboard with the magnetic strip inside the case. It will snap into place.
- To detach: Gently pull the keyboard away from the magnetic strip.
When not in use, the keyboard can be securely stored within the magnetic case to prevent accidental drops.
Image: The keyboard shown detached from the case, highlighting its portability and magnetic attachment mechanism.
2. Adjusting Viewing Angles
The case features a tri-fold design that allows you to adjust the tablet's viewing angle for comfortable use. Three distinct angles are available: 120°, 125°, and 135°.
- Fold the case into the desired triangular stand configuration.
- Position your tablet against the folds to achieve the preferred viewing angle.
This feature is ideal for typing, watching videos, or making video calls.
Image: The tablet case configured to demonstrate three different viewing angles (120°, 125°, 135°), providing ergonomic options for users.
3. Automatic Sleep/Wake Function
The case supports an automatic sleep/wake function for your tablet, helping to conserve battery life.
- Closing the case will automatically put your tablet to sleep.
- Opening the case will automatically wake your tablet.
The keyboard itself will enter sleep mode if no keys are pressed for 10 minutes, further saving power. To reactivate the keyboard, simply press any key or toggle the ON/OFF switch.
4. Keyboard Features
The keyboard features a scissor-switch mechanism for comfortable and responsive typing. It includes standard function keys and an AZERTY layout.
Image: A detailed view of the keyboard's keys, illustrating the scissor-switch mechanism for improved typing comfort and responsiveness.
Maintenance
1. Cleaning Instructions
- Case: Wipe the exterior fabric with a soft, damp cloth. Avoid harsh chemicals or abrasive cleaners.
- Keyboard: Use a soft, dry cloth to clean the keys and surface. For dust between keys, use compressed air. Do not immerse the keyboard in water or any liquid.
2. Battery Care
- To prolong battery life, avoid fully discharging the keyboard frequently.
- Charge the keyboard regularly, especially if it will be stored for an extended period.
- Store the keyboard in a cool, dry place.
Image: The tablet securely enclosed within the case, demonstrating the full protective coverage provided by the product.
Troubleshooting
1. Keyboard Not Connecting via Bluetooth
- Check Power: Ensure the keyboard is turned on and fully charged.
- Re-pair: Delete the keyboard from your tablet's Bluetooth device list, then repeat the pairing process (Section 3.4).
- Restart Devices: Restart both your tablet and the keyboard.
- Distance: Ensure the keyboard is within 10 meters of your tablet.
- Interference: Move away from other wireless devices that might cause interference.
2. Keys Not Responding or Lagging
- Battery Level: The keyboard battery might be low. Charge it fully.
- Sleep Mode: If the keyboard has been idle, press any key to wake it up.
- Reconnection: Disconnect and reconnect the Bluetooth connection on your tablet.
3. Incorrect Keyboard Layout (Not AZERTY)
- Press Fn + A to switch to the Android system layout.
- Go to your tablet's Settings > System > Languages & input > Physical keyboard. Select your connected keyboard and ensure the French AZERTY layout is chosen.
- Try pressing Ctrl + Space to cycle through available input languages/layouts.
4. Auto Sleep/Wake Function Not Working
- Ensure the tablet is properly seated in the case.
- Check if the tablet's settings for sleep/wake are enabled (if applicable).
- Restart the tablet.
Specifications
| Brand | SENGBIRCH |
| Model Number | TB330FU/TB330XU |
| Compatibility | Lenovo Tab M11 11-inch (2024) |
| Connectivity Technology | Bluetooth |
| Keyboard Layout | AZERTY (French) |
| Special Features | Detachable keyboard, Multiple viewing angles, Automatic sleep/wake |
| Battery Type | Lithium-ion (included) |
| Charging Port | USB-C |
| Charging Time | 2-3 hours |
| Operating Time | Approx. 10 hours |
| Standby Time | Up to 90 days |
| Color | Black |
Warranty & Support
SENGBIRCH provides the following support for this product:
- One-Year Worry-Free Warranty: Covers manufacturing defects and functional issues under normal use for one year from the date of purchase.
- 30-Day Money-Back Guarantee: If you are not satisfied with your purchase, you may return it within 30 days for a full refund.
- 24-Hour Email Support: For any questions, issues, or technical assistance, please contact our customer service team via email. Refer to the product packaging or purchase platform for specific contact details.
Please retain your proof of purchase for warranty claims.