1. Introduction
Thank you for choosing the Havit KB835WB Dual Mode Wireless Keyboard and Mouse Set. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new device. Please read this manual thoroughly before use to ensure optimal performance and longevity of your product.
Image 1.1: The Havit KB835WB Dual Mode Wireless Keyboard and Mouse Set, showcasing its retro design and black color.
2. Safety Information
- Keep the device away from water, fire, high temperatures, and corrosive substances.
- Do not attempt to disassemble, repair, or modify the device. This may void the warranty and cause damage.
- Use only the specified charging cable and power source to charge the devices.
- Avoid dropping or subjecting the devices to strong impacts.
- Dispose of batteries according to local regulations. Do not dispose of batteries in fire.
3. Package Contents
Please check the package contents upon opening. If any items are missing or damaged, contact your retailer.
- Havit KB835WB Wireless Keyboard
- Havit KB835WB Wireless Mouse
- USB Receiver (stored in the mouse battery compartment)
- USB Charging Cable
- User Manual (this document)
4. Product Overview
4.1 Keyboard Layout
The keyboard features a 107-key QWERTY layout with multimedia function keys. The mode switch and charging port are typically located on the top or back edge of the keyboard.
4.2 Mouse Features
The mouse includes 6 buttons: left click, right click, scroll wheel, DPI adjustment button, and two side buttons. The mode switch, charging port, and USB receiver storage compartment are located on the underside of the mouse.
5. Setup
5.1 Charging the Devices
Before first use, fully charge both the keyboard and mouse.
- Connect the provided USB charging cable to the charging port on the keyboard and mouse.
- Connect the other end of the USB cable to a USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate during charging and turn off or change color when fully charged. Charging time is approximately 2 hours for each device.
5.2 2.4GHz Wireless Connection
This mode uses the included USB receiver for a stable wireless connection.
- Locate the USB receiver in the mouse's battery compartment.
- Plug the USB receiver into an available USB port on your computer.
- Turn on the keyboard and mouse. Ensure both devices are set to 2.4GHz mode (usually indicated by a switch or LED).
- The devices should connect automatically. If not, try turning them off and on again, or re-inserting the USB receiver.
5.3 Bluetooth 5.1 Connection
This mode allows connection to Bluetooth-enabled devices without a USB receiver.
- Turn on the keyboard and mouse. Switch both devices to Bluetooth mode (usually indicated by a switch or LED).
- On your computer or device, open Bluetooth settings.
- Search for new Bluetooth devices. You should see "Havit KB835WB Keyboard" and "Havit KB835WB Mouse" (or similar names).
- Select each device to pair. Follow any on-screen prompts, such as entering a pairing code for the keyboard if requested.
- Once paired, the devices are ready for use.
5.4 Switching Between Modes
The Havit KB835WB supports dual-mode connectivity. Use the mode switch on the keyboard and mouse to toggle between 2.4GHz and Bluetooth modes as needed.
6. Operating Instructions
6.1 Keyboard Functions
- Standard Typing: Use the 107 keys for regular text input.
- Multimedia Keys: Access multimedia functions (e.g., volume control, play/pause) by pressing the 'Fn' key in combination with the designated function keys (F1-F12). Refer to the keycap legends for specific functions.
- Power Saving: The keyboard will enter sleep mode after a period of inactivity. Press any key to wake it up.
6.2 Mouse Functions
- Left/Right Click: Standard mouse button functions.
- Scroll Wheel: Scroll up or down, and click for middle-button functionality.
- DPI Adjustment: Press the DPI button (usually located behind the scroll wheel) to cycle through available DPI settings (800-1200-1600 DPI). This adjusts the mouse cursor speed.
- Side Buttons: Often used for 'forward' and 'back' navigation in web browsers or file explorers.
- Power Saving: The mouse will enter sleep mode after a period of inactivity. Move or click the mouse to wake it up.
7. Maintenance
7.1 Cleaning
- Disconnect the devices from power and turn them off before cleaning.
- Use a soft, dry, lint-free cloth to wipe the surfaces of the keyboard and mouse.
- For stubborn dirt, lightly dampen the cloth with water or a mild cleaning solution. Avoid excessive moisture.
- Do not use harsh chemicals, abrasive cleaners, or solvents.
- Use compressed air to remove dust and debris from between keyboard keys.
7.2 Battery Care
- Charge the devices regularly to maintain battery health.
- Avoid fully discharging the batteries frequently.
- If storing the devices for an extended period, charge them to about 50% and store in a cool, dry place.
8. Troubleshooting
- Devices not connecting:
- Ensure both keyboard and mouse are charged.
- Verify the mode switch (2.4GHz/Bluetooth) is set correctly for both devices.
- For 2.4GHz: Ensure the USB receiver is securely plugged into a working USB port. Try a different USB port.
- For Bluetooth: Ensure Bluetooth is enabled on your computer/device and the devices are paired correctly. Try unpairing and re-pairing.
- Restart your computer/device.
- Lag or intermittent connection:
- Ensure devices are within the 10-meter wireless range.
- Reduce interference from other wireless devices (e.g., Wi-Fi routers, other Bluetooth devices).
- Charge the devices. Low battery can affect performance.
- Keys or mouse buttons not responding:
- Check battery level and charge if necessary.
- Clean the devices to remove any debris that might be obstructing keys or buttons.
- Ensure the devices are properly connected (see "Devices not connecting" above).
9. Specifications
| Connection Type | 2.4GHz Wireless + Bluetooth 5.1 |
| Wireless Range | Up to 10 meters |
| Total Keys | 107 |
| Keyboard Layout | QWERTY (Turkish Q) |
| Battery Capacity | 400 mAh |
| Charging Time | Approximately 2 hours |
| Design | Retro |
| Connection Type | 2.4GHz Wireless + Bluetooth 5.1 |
| Wireless Range | Up to 10 meters |
| Total Buttons | 6 |
| DPI Settings | 800-1200-1600 DPI |
| Battery Capacity | 500 mAh |
| Charging Time | Approximately 2 hours |
10. Warranty and Support
10.1 Warranty Information
This product comes with a 2-year distributor warranty. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
10.2 Customer Support
For technical support, warranty claims, or further assistance, please contact your local retailer or the official Havit customer service. Refer to the product packaging or Havit's official website for contact details.







