Unichain G-905-DSR Multimode Wireless Mouse

PACKAGE CONTENT

PRODUCT OVERVIEW

1. Left Button
2. Scroll Wheel
3. Right Button
4. DPI Button
5. Charging Indicator
6. RGB Lighting
7. Forward Button
8. Back Button
9. USB-C Charging Port
10. Power Switch
11. USB Receiver
12. USB Channel Indicator
13. BT1 Indicator
14. BT2 Indicator
15. Channel Switch Button / Pairing Button

Specifications

1. Connectivity Channels: USB Receiver/ BT1/ BT2
2. Charging: 5V
3. Operating Voltage: 3.7V
4. Operating Current: <5.5mA (light off)

USB Connection

1. Slide the Power Switch to “ON”.
2. Press the Channel Switch Button to switch to USB mode (default).
3. Insert the USB receiver into your computer.
4. Connection is ready when the USB Channel Indicator turns off.

Note:
If connection fails, see “USB Receiver Reconnection” section.

BT Connection

1. Slide the Power Switch to “ON”.
2. To select a BT channel (BT1 or BT2), short-press the Channel Switch Button, and the corresponding BT indicator will flash.
3. Check if the BT indicator is flashing rapidly:
   • Rapid flashing → Skip to Step 5
   • Slow/No flashing → Continue to Step 4
4. Press and hold the Channel Switch Button for 5 seconds, until the corresponding BT indicator flashes rapidly, and the mouse will enter the BT pairing state.
5. Turn on BT on your computer. Search and select “MS055 5.0” to start pairing.
6. When the indicator light is off, the BT connection is established.

Switching Connection Channels

1. The mouse supports 3 wireless connection channels: USB mode, BT1, and BT2,by which it can be connected to three devices at the same time.
2. Once connected, short press the Channel Switch Button to switch between 3 connected devices.

RGB Lighting Control
To switch lighting effects, press the Forward Button + Scroll Wheel to cycle through options.

Note:
The “Light Off” mode is the last option—keep pressing until the lighting turns off.

Clear Pair Record

1. Turn off the mouse.
2. Press and hold the scroll wheel. Then turn on the mouse.
3. Wait until the indicator light of the currently connected channel flashes rapidly, then release the scroll wheel. This will clear the pairing records for both BT1 and BT2.

Switch DPI Levels
Press the DPI button to cycle through available DPI levels. The indicator light of the currently connected channel will flash the corresponding number oftimes. (e.g., 3 flashes for DPIlevel 3).

Low Battery Warning

1. When the battery is low:
   • RGB lighting will automatically turn off (if currently enabled).
   • The indicator light of the currently connected channel (on the bottom) will flash red slowly.
2. Recharge the mouse using the supplied charging cable to resume normal operation.

Charging Indicator
The Charging Indicator shows the following states:

USB Receiver Reconnection

Connection issues may occur due to interference or environmental factors. If the mouse disconnects, follow the steps below to reconnect.

1. Unplug the USB receiver from your computer and ensure the mouse is charged.
2. Turn on the mouse, and then switch to the USB channel.
3. Press and hold the left, middle (scroll wheel), and right buttons simultaneously for 3 seconds. The USB Channel Indicator flashes quickly showing the mouse has entered pairing status. Quickly plug the USB receiver back into a USB port on your computer while bringing the mouse within 30 cm of the receiver. Complete this step within 20 seconds.
4. The pairing of the mouse and receiver is successful when the indicator light turns off. The mouse is ready for use.

IMPORTANT SAFETY INSTRUCTIONS-CAREFULLY FOLLOW THESE INSTRUCTIONS.

1. RETAIN THESE INSTRUCTIONS – This sheet contains important safety and operating instructions.
2. Before using the product, read all instructions and caution markings on the product, accessories, and device.
3. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
4. Children should be supervised to ensure that they do not play with the appliance.
5. Keep the product away from the fire to avoid an explosion.
6. Do not place the product in or near an inflammable, explosive, or hazardous object.
7. Do not operate the product with a damaged cord or plug.
8. Do not operate the product if it has been damaged in any way.
9. Do not disassemble the product. Disassembly may result in a risk of safety hazards.
10. Do not throw or shake the product.
11. Do not place the product in or near water, rain, excess moisture, or extreme heat.

FCC STATEMENT

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

NOTE: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

SIMPLIFIED EU DECLARATION OF CONFORMITY
Hereby, Shenzhen Unichain Technology Co., Ltd. declares that the product type TK-MS055 is in compliance with Directive 2014/53/EU.

The full text of the EU declaration of conformity is available at the following internet address: https://teckneteu.com/

Documents / Resources

Unichain G-905-DSR Multimode Wireless Mouse [pdf] User Manual G-905-DSR, G-905-DSR Multimode Wireless Mouse, Multimode Wireless Mouse, Wireless Mouse

References

• User Manual