1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your ACM USB Keyboard Case. This premium synthetic leather case is designed to transform your tablet into a portable workstation, offering a full QWERTY keyboard and a convenient stand feature. It is a plug-and-play device, requiring no complex installation or external power source.
2. Setup
Follow these steps to set up your ACM USB Keyboard Case:
- Insert Your Tablet: Carefully place your compatible tablet (e.g., Samsung Galaxy J Max Sm-T285yzkdins) into the case, ensuring it is securely held by the corner clips.
- Connect the Keyboard: Locate the USB cable attached to the keyboard. Plug the USB connector into the corresponding USB port on your tablet. The keyboard is designed for direct plug-and-play functionality and should be recognized automatically by your device.
- Position for Use: Open the case fully to reveal the keyboard. If desired, deploy the built-in stand at the back of the case to prop up your tablet for comfortable viewing and typing.

Image: The ACM USB Keyboard Case with a tablet securely placed inside and the USB cable connected, ready for use.
3. Operating Instructions
Once set up, operating your keyboard case is straightforward:
- Typing: Begin typing directly on the QWERTY keyboard. The layout is standard for ease of use.
- Using the Stand: The integrated stand allows you to position your tablet at an optimal angle for typing, viewing videos, or making video calls. Simply fold out the stand from the back of the case.
- Magnetic Closure: When not in use, close the case. The magnetic strap ensures the case remains securely shut, protecting your tablet and keyboard.

Image: The ACM USB Keyboard Case shown with its integrated stand deployed, supporting the tablet for hands-free viewing.

Image: A clear top-down view of the ACM USB Keyboard Case, highlighting the full QWERTY keyboard layout for efficient typing.
4. Maintenance
To ensure the longevity of your keyboard case, follow these maintenance guidelines:
- Cleaning the Case: The synthetic leather exterior can be wiped clean with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
- Cleaning the Keyboard: Use a soft brush or compressed air to remove dust and debris from between the keys. For stubborn marks, a slightly damp cloth can be used, ensuring no liquid enters the keyboard mechanism.
- Storage: When not in use, store the case in a cool, dry place away from direct sunlight and extreme temperatures.

Image: The ACM USB Keyboard Case in its closed state, showcasing its compact and protective design.
5. Troubleshooting
If you encounter issues with your keyboard case, refer to the following common problems and solutions:
- Keyboard Not Responding:
- Ensure the USB cable is securely plugged into your tablet's USB port.
- Try plugging the keyboard into a different USB port on your tablet, if available.
- Restart your tablet.
- Tablet Not Fitting Securely:
- Verify that your tablet model is compatible with this case (e.g., Samsung Galaxy J Max Sm-T285yzkdins).
- Adjust the corner clips to ensure they firmly grip the tablet without obstructing buttons or ports.
- Keys Sticking or Not Registering:
- Clean the keyboard as described in the Maintenance section to remove any debris.
- Ensure no liquid has been spilled on the keyboard.
If problems persist, contact customer support for further assistance.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | ACM |
| Model Number | USBCK7R1769 |
| Product Dimensions | 23 x 14 x 3 cm |
| Item Weight | 230 g |
| Compatible Devices | Tablet (e.g., Samsung Galaxy J Max Sm-T285yzkdins) |
| Connector Type | Micro USB, USB |
| Keyboard Description | Full QWERTY |
| Color | Red |
| Material | Synthetic Leather |
7. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact the seller directly. You may also visit the official ACM store on Amazon for more details: ACM Store.





