Introduction
Thank you for choosing the TECKNET TK-MS025 Dual Mode Wireless Bluetooth Mouse. This manual provides detailed instructions for setting up, operating, and maintaining your mouse to ensure optimal performance and longevity. This mouse offers versatile connectivity and ergonomic design for enhanced productivity across multiple devices.
Package Contents
- TECKNET TK-MS025 Dual Mode Wireless Bluetooth Mouse
- USB-A Receiver (stored inside the mouse)
- User Manual (this document)
Note: 2 AAA batteries are required and are not included in the package.
Product Overview
Familiarize yourself with the components of your TECKNET mouse.

Image: Top and bottom view of the TECKNET TK-MS025 mouse with labels for its components. Key parts include the Left Button, Right Button, Anti-Slip Scroller, DPI Switch, Forward Button, Back Button, Bluetooth Pairing Button, ON/OFF switch, AAA Battery Compartment, and USB-A Dongle storage.
- 2.4G / BT5.0 / BT3.0 Bluetooth Pairing Button (Channel Switch Button)
- ON/OFF Switch
- AAA Battery Compartment (for 2 AAA batteries, not included)
- USB-A Dongle (Receiver) Storage
- Left Button
- Forward Button
- Back Button
- Right Button
- Anti-Slip Scroller
- DPI Switch Button
Setup
1. Battery Installation
- Locate the battery compartment on the underside of the mouse.
- Open the battery compartment cover.
- Insert two (2) AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.

Image: A cutaway view of the TECKNET mouse showing the battery compartment with two AAA batteries inserted. This illustrates the correct placement for battery installation.
2. Power On/Off
Slide the ON/OFF switch, located on the bottom of the mouse, to the "ON" position to power on the mouse. Slide it to "OFF" when not in use to conserve battery life.
3. Connecting to Devices (Dual Mode: USB 2.4G Wireless & Bluetooth)
The mouse supports connection to up to three devices: one via 2.4G USB wireless and two via Bluetooth (BT1 and BT2).

Image: A visual representation of the TECKNET mouse connected to a desktop PC via 2.4G wireless, a tablet via Bluetooth 1, and a laptop via Bluetooth 2. The channel switch button is highlighted.
3.1. 2.4G USB Wireless Connection
- Remove the USB-A receiver from its storage slot on the bottom of the mouse.
- Plug the USB-A receiver into an available USB port on your computer.
- Turn on the mouse using the ON/OFF switch.
- Press the channel switch button (labeled 1 in Product Overview) until the indicator light for "2.4G" is active. The mouse should connect automatically.
3.2. Bluetooth Connection (BT1 / BT2)
- Turn on the mouse using the ON/OFF switch.
- Press the channel switch button (labeled 1 in Product Overview) to select either "BT1" or "BT2". The corresponding indicator light will flash slowly.
- Press and hold the channel switch button for 3-5 seconds until the selected Bluetooth indicator light (BT1 or BT2) flashes rapidly. This indicates the mouse is in pairing mode.
- On your device (laptop, tablet, MacBook, etc.), go to Bluetooth settings.
- Search for new devices and select "TECKNET Mouse" from the list.
- Once paired, the indicator light will stop flashing and remain solid for a few seconds before turning off.
Note: The mouse supports Bluetooth 5.0 and Bluetooth 3.0. Ensure your device's Bluetooth is enabled and discoverable.
4. Switching Between Connected Devices
To switch between the 2.4G USB wireless connection and the two Bluetooth connections (BT1, BT2), simply press the channel switch button (labeled 1 in Product Overview) to cycle through the modes. The active connection will be indicated by the corresponding light.
Operating Instructions
1. DPI Adjustment
The mouse features 6 adjustable DPI levels: 800, 1200, 1600, 2400, 3200, and 4800. To change the DPI sensitivity, press the DPI Switch Button (labeled 10 in Product Overview) located below the scroll wheel. Each press will cycle through the available DPI settings, allowing you to customize cursor speed for different tasks such as web browsing, data processing, or graphic design.

Image: A graphic demonstrating the 6 adjustable DPI levels (800-4800) of the TECKNET mouse, with suggestions for use cases like web browsing, data processing, and graphic design.
2. Silent Click Feature
The TECKNET TK-MS025 mouse is designed with advanced silent-click technology, reducing click noise by up to 90% compared to standard mice. This feature is beneficial for quiet environments such as libraries, offices, or late-night work sessions, minimizing disturbance to others.

Image: A person using the TECKNET mouse in a quiet office environment, highlighting the silent click feature that prevents disturbance to others.
3. Ergonomic Design
The mouse features a full-size, ergonomic design with a natural curvature to fit medium to large hands comfortably. This design aims to reduce wrist strain during prolonged use, providing a comfortable grip for extended workdays.

Image: A close-up view of the TECKNET mouse, emphasizing its curved, ergonomic shape and highlighting its durability with a "5 million clicks" rating.
4. Auto-Sleep Mode
To conserve battery power, the mouse will automatically enter a sleep mode after a period of inactivity. To wake the mouse, simply press any button. This feature helps extend the 18-month battery life.
Maintenance
1. Battery Replacement
When the mouse performance degrades or the indicator light suggests low battery, replace the two AAA batteries. Follow the battery installation steps outlined in the Setup section.

Image: A visual representation of the mouse's 18-month battery life, emphasizing its low power consumption and auto-sleep mode. It also reminds that 2 AAA batteries are not included.
2. Cleaning
To clean the mouse, gently wipe its surface with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners, as these can damage the mouse's finish. Ensure no liquid enters the internal components.
Troubleshooting
- Mouse not responding:
- Ensure the mouse is powered on.
- Check battery levels and replace if necessary.
- For 2.4G USB connection, ensure the USB receiver is securely plugged into a working USB port. Try a different USB port.
- For Bluetooth connection, ensure Bluetooth is enabled on your device and the mouse is correctly paired to the selected BT channel (BT1 or BT2). Try re-pairing the mouse.
- Ensure the correct connection mode (2.4G, BT1, or BT2) is selected on the mouse.
- Intermittent connection:
- Move the mouse closer to your device.
- Avoid using the mouse on metallic surfaces, which can interfere with wireless signals.
- Remove any potential sources of interference (e.g., other wireless devices, large metal objects).
- Cursor movement is erratic or slow:
- Adjust the DPI setting using the DPI switch button.
- Ensure the optical sensor on the bottom of the mouse is clean and free from obstructions.
- Use the mouse on a suitable surface (e.g., a mouse pad).
Specifications
| Model Number | TK-MS025 |
| Connectivity | 2.4G USB Wireless, Bluetooth 5.0, Bluetooth 3.0 |
| DPI Levels | 800, 1200, 1600, 2400, 3200, 4800 (Adjustable) |
| Buttons | Left, Right, Scroll Wheel, DPI Switch, Forward, Back, Channel Switch |
| Battery Type | 2 x AAA batteries (not included) |
| Battery Life | Up to 18 months (with auto-sleep feature) |
| Dimensions (L x W x H) | 4.6 x 2.6 x 0.1 inches (11.8 x 6.6 x 0.25 cm) |
| Weight | 2.82 ounces (80 grams) |
| Compatibility | Windows, macOS, Linux, Chrome OS, iPadOS, Android |

Image: The TECKNET mouse displayed alongside logos for Windows, ChromeOS, Linux, Mac OS, and Android, indicating broad compatibility.
Warranty and Support
TECKNET products come with lifetime support (registration required). If you encounter any issues or have questions regarding your TECKNET TK-MS025 mouse, please contact TECKNET customer service for assistance. Refer to the product packaging or the official TECKNET website for contact information.





