1. Introduction
Thank you for purchasing the Ewin BIJP-028 Wireless Bluetooth Keyboard. This compact, foldable keyboard features a Japanese JIS layout, an integrated touchpad, and multi-device connectivity, making it ideal for on-the-go productivity across various operating systems. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal use of your device.
2. Key Features
- Foldable & Portable Design: Tri-fold design for compact storage, easily fits into bags. Includes an adjustable stand and pouch for convenience.
- Multi-OS Compatibility: Seamlessly compatible with iOS, Android, Mac OS, and Windows devices.
- Multi-Device Connectivity: Pair with up to 3 devices and switch between them with a single touch.
- Integrated Touchpad: Full-size touchpad eliminates the need for an external mouse, saving space and enhancing portability.
- Japanese JIS Layout: Features a JIS standard Japanese layout for efficient typing.
- Silent Pantograph Keys: Utilizes a pantograph key system for quiet, comfortable, and responsive typing, suitable for various environments.
- Rechargeable Battery with Auto-Sleep: Built-in 140 mAh battery provides up to 90 hours of continuous use on a 2-hour charge. Features an auto-sleep function after 10 minutes of inactivity to conserve power.
3. What's in the Box
Please check the package contents upon unboxing:
- Ewin BIJP-028 Wireless Bluetooth Keyboard
- USB Charging Cable
- Adjustable Stand (may be included as an accessory)
- Storage Pouch/Case (may be included as an accessory)
4. Setup
4.1 Initial Charging
Before first use, fully charge the keyboard. Connect the provided USB charging cable to the keyboard's micro USB port and the other end to a USB power source (e.g., computer, USB wall adapter). The charging indicator light will illuminate and turn off once fully charged. A full charge typically takes about 2 hours.
4.2 Powering On/Off
To power on the keyboard, unfold it. The keyboard will automatically power on. To power off, fold the keyboard. It will automatically enter sleep mode after 10 minutes of inactivity and can be woken by pressing any key.
4.3 Bluetooth Pairing
The keyboard supports pairing with up to three devices.
- Turn on the keyboard: Unfold the keyboard.
- Enter Pairing Mode: Press and hold the Fn key and one of the device keys (A for Device 1, S for Device 2, or D for Device 3) for 3-5 seconds until the Bluetooth indicator light starts blinking. This indicates the keyboard is in pairing mode.
- Enable Bluetooth on your device: Go to your device's Bluetooth settings (e.g., smartphone, tablet, computer).
- Select the keyboard: Look for "Ewin Keyboard" or a similar name in the list of available Bluetooth devices and select it.
- Confirm Pairing: Your device may prompt you to enter a code displayed on the screen using the keyboard, then press Enter. Once paired, the Bluetooth indicator light on the keyboard will stop blinking.
- Repeat for additional devices: To pair with a second or third device, repeat steps 2-5, using a different device key (Fn+S or Fn+D).

5. Operating Instructions
5.1 Folding and Unfolding
The keyboard is designed to fold into a compact size for portability. Gently unfold the keyboard to power it on and begin use. Fold it back to power off and store.

5.2 Touchpad Usage
The integrated touchpad allows for mouse-like control without an external device. Here are common gestures:
- Left Click: Tap with one finger.
- Right Click: Tap with two fingers.
- Scroll: Slide two fingers up or down.
- Zoom In/Out: Pinch with two fingers.
- Search: Tap with three fingers.
- Switch Windows: Slide three fingers left or right.
- Return to Desktop: Slide three fingers down.

5.3 Switching Between Devices
To switch between your paired devices (up to 3), simply press the Fn key simultaneously with the corresponding device key:
- Fn + A: Switch to Device 1
- Fn + S: Switch to Device 2
- Fn + D: Switch to Device 3
5.4 Shortcut Keys and Function Keys
The keyboard features a row of function keys (F1-F12) that also serve as multimedia and shortcut keys. To use the multimedia functions, press the Fn key along with the desired function key.
Note: In Windows mode, F1-F12 functions are prioritized. For media functions, press Fn + F-key. Android and iOS devices require pressing Fn + F-key for F1-F12 functions.

6. Maintenance
6.1 Charging the Keyboard
When the battery is low, the indicator light will blink. Connect the keyboard to a power source using the provided USB cable. A full charge takes approximately 2 hours and provides up to 90 hours of continuous use or 220 hours of standby time.

6.2 Cleaning
To clean the keyboard, gently wipe the surface with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the keyboard is powered off and disconnected from any power source before cleaning.
6.3 Storage
When not in use, fold the keyboard to protect the keys and touchpad. Store it in the provided pouch or case to prevent scratches and damage.
7. Troubleshooting
- Keyboard does not connect via Bluetooth:
- Ensure the keyboard is charged and powered on.
- Make sure Bluetooth is enabled on your device.
- Put the keyboard into pairing mode (Fn + A/S/D for 3-5 seconds).
- Forget the keyboard from your device's Bluetooth list and try pairing again.
- Ensure your device is within the Bluetooth range (typically 10 meters).
- Keys are not responding:
- Check if the keyboard is connected to the correct device (Fn + A/S/D).
- Ensure the keyboard battery is not depleted.
- Restart the keyboard and your device.
- Touchpad is not working:
- Ensure the keyboard is properly connected.
- Check if the touchpad is enabled (some systems may have a toggle).
- Clean the touchpad surface.
- Keyboard frequently disconnects:
- Ensure there are no strong interferences (e.g., Wi-Fi routers, other Bluetooth devices) nearby.
- Keep the keyboard and device close to each other.
- Ensure the keyboard is fully charged.
8. Specifications
| Brand | Ewin |
| Model Number | EW-ZR050BR |
| Connectivity Technology | Bluetooth |
| Compatible Devices | Tablet, Smartphone, PC (iOS, Android, Mac OS, Windows) |
| Keyboard Description | Wireless, Foldable, Japanese JIS Layout, Built-in Touchpad |
| Special Feature | Rechargeable, Multi-Device Switching (up to 3 devices), Auto-Sleep |
| Number of Keys | 90 |
| Battery Capacity | 140 mAh |
| Charging Time | Approx. 2 hours |
| Continuous Use Time | Approx. 90 hours |
| Standby Time | Approx. 220 hours |
| Item Dimensions (L x W x H) | 30.5L x 9.8W x 0.6H Centimeters (unfolded) |
| Color | Gray |
| UPC | 742377592299 |
9. Warranty Information
Ewin products are manufactured to the highest quality standards. This product is covered by a limited warranty against manufacturing defects from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact Ewin customer support.
10. Customer Support
If you encounter any issues or have questions regarding your Ewin BIJP-028 Wireless Bluetooth Keyboard that are not addressed in this manual, please contact our customer support team. You can typically find support contact information on the Ewin official website or through your retailer's customer service portal.
Please have your model number (EW-ZR050BR) and proof of purchase ready when contacting support.
