1. Product Overview
The YUNZII B307 is an upgraded wireless retro typewriter-style keyboard designed for enhanced typing experience and aesthetic appeal. It features a compact 68-key layout, round keycaps, and versatile connectivity options.
- Retro Typewriter Design: Combines vintage aesthetics with modern functionality.
- Dual Connectivity: Supports both Bluetooth 5.0 and USB-C wired connections.
- Integrated Stand: Features a built-in holder for tablets, phones, and other devices (up to 11.6 x 0.5 inches).
- Functional Knobs: Two dedicated knobs for connection channel switching and volume control.
- Multi-Device & Multi-OS: Compatible with Windows, Android, Mac iOS systems, and various devices including PCs, laptops, tablets, and smartphones.
- Rechargeable Battery: Equipped with a built-in rechargeable battery for wireless use.
- Adjustable Feet: Allows for setting a comfortable typing angle.
2. Setup and Connectivity
2.1 Battery Installation and Charging
The keyboard requires 1 AAA battery (included) for operation. For wired connection and charging, use the provided USB-C cable.
- Locate the battery compartment on the underside of the keyboard.
- Insert 1 AAA battery, ensuring correct polarity.
- Connect the keyboard to a power source or computer using the USB-C cable for charging or wired mode.
2.2 Bluetooth Connection
- Turn on the keyboard using the On/Off switch.
- Hold down the FN + C key for 2 seconds. The battery indicator will be on and flashing, indicating pairing mode.
- On your computer or device, search for Bluetooth devices and select "UBOTIE" to connect.
- Once connected, the indicator will stop flashing.
- To switch between different devices (up to 3 Bluetooth devices), spin the left knob to change the connection channel (BT1, BT2, BT3).
- Switch according to the system version of the device: Press FN + Q (Android), FN + W (Windows), or FN + E (iOS) for 1 second.
2.3 Wired Connection
Connect the keyboard to your device using the provided USB-C cable. The keyboard will automatically switch to wired mode.
3. Operating Instructions
3.1 Functional Knobs
- Left Knob: Turn to change the connection channel (BT1, BT2, BT3).
- Right Knob: Turn to adjust the volume.
3.2 Integrated Stand
The keyboard features an integrated stand holder, 11.6 x 0.5 inches, suitable for most pads, phones, and tablets. This allows for an ergonomic setup, transforming your device into a mini workstation.
3.3 Multimedia Functions (FN Key Combinations)
| Key Combination | Function |
|---|---|
| FN + F1 | Cut |
| FN + F2 | Copy |
| FN + F3 | Paste |
| FN + F4 | Input Method |
| FN + F5 | Search |
| FN + F6 | Previous Track |
| FN + F7 | Play/Pause |
| FN + F8 | Next Track |
| FN + F9 | Mute |
| FN + F10 | Volume - |
| FN + F11 | Volume + |
| FN + F12 | Lock Screen |
4. Maintenance
4.1 Cleaning
The round keycaps are removable, allowing for easy cleaning of dust and debris from beneath the keys. Gently remove keycaps as needed for thorough cleaning.
5. Troubleshooting
If you encounter issues with your YUNZII B307 keyboard, consider the following:
- Connectivity Issues: Ensure the keyboard is fully charged or connected via USB-C. Re-attempt Bluetooth pairing by holding FN+C. Verify the correct OS mode (FN+Q/W/E) is selected.
- Keys Not Responding: Check battery level. If in wireless mode, try switching to wired mode. Ensure the keyboard is properly paired or connected.
- Backlight Flickering/Not Working: Check battery level. The lever on the left side can control backlight patterns and on/off state.
- Key Labels Fading: This can occur with prolonged use. If key positions are not memorized, consider using keycap stickers or referring to the manual.
6. Specifications
- Model Number: B307
- Connectivity: Bluetooth 5.0, USB-C Wired
- Compatible Devices: Laptops, Tablets, Smartphones (Windows, Android, Mac iOS)
- Keyboard Description: Membrane
- Keycaps: Round, Removable
- Special Features: Integrated Stand, Rechargeable Battery, Functional Knobs
- Battery: 1 AAA battery required (included)
- Material: Plastic
- Item Weight: 0.035 ounces
- Package Dimensions: 14.53 x 7.6 x 2.24 inches
7. What's in the Box
- YUNZII B307 Wireless Typewriter Keyboard
- USB-C Cable
- User Manual
- Extra Red Keycap (as per product description)
- 1 AAA Battery
8. Official Product Videos
Video: An overview of the YUNZII Upgraded Wireless Typewriter Keyboard, highlighting its features and design.
Video: Demonstration of typing on the YUNZII Upgraded Wireless Retro Keyboard, showcasing the key feel and sound.
Video: A detailed look at the YUNZII Upgraded Wireless Keyboard (B307, Baby Pink), highlighting its features and aesthetic.
Video: A short preview showcasing the 'Super Cute Typewriter Keyboard'.
9. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact Yunzii Keyboard directly through Amazon. Follow these steps:
- Visit the YUNZII product page on Amazon.
- Select the seller's name, "Yunzii Keyboard".
- Click "Ask a question" to send a message.
If you have already placed an order, go to your orders, select "Problem with order", and then send a message to the seller.
