Introduction
The YUNZII C1 Wireless Mouse is a versatile and ergonomic input device designed for both work and gaming. It features tri-mode connectivity, allowing seamless switching between 2.4GHz wireless, Bluetooth, and USB-C wired connections. With adjustable DPI settings, customizable buttons, and a comfortable silicone design, the C1 mouse offers precision and flexibility across various operating systems and devices.

Figure 1: YUNZII C1 Wireless Mouse Key Features Overview
Package Contents
Please check the package carefully to ensure all items are present:
- YUNZII C1 Mouse × 1
- USB Cable for Type-C × 1
- 2.4G Dongle × 1
- User Manual × 1

Figure 2: Package Contents
Specifications
| Feature | Description |
|---|---|
| Product Model | YUNZII C1 |
| Type | Silicone Tri-Mode Wireless Custom Mouse |
| Color Choices | Pink, Black, Gray |
| Battery Capacity | 500mAh (Rechargeable) |
| Connectivity | 2.4G Wireless, USB-C Wired, Bluetooth |
| Polling Rate | 125-250-500-1000Hz (4-Level Adjustable, Default 1000Hz) |
| Dimensions (L×W×H) | 98 × 62.5 × 40 mm (3.54 × 2.46 × 1.57 inches) |
| Weight | 80 ± 5g (0.176 ± 0.011 lb) |
| Number of Buttons | 3 |
| Material | Silicone |
| DPI Settings | 800-1200-1600-2400-3200-4800 (6-Level Adjustable, Default 3200) |
| Sensor | PAW3212DB-TJDT |
| Tracking Speed | 400 IPS |
| Acceleration | 80G |
| Hand Orientation | Both Hands |
| Operation Mode | Opto-electronic |
| Customization | Windows software, Win & Mac online website customization |
| Certifications | CE, FCC, WEEE |

Figure 3: Sensor Specifications
Setup
The YUNZII C1 mouse offers three connection modes: 2.4GHz Wireless, Bluetooth, and USB-C Wired. Choose the mode that best suits your device and needs.
Mouse Components Overview

Figure 4: YUNZII C1 Mouse Components
- Left Key
- DPI Switching/Charging/Low Power Indicator
- Middle Key/Roller
- Right Key
- ON/OFF Switch
- 2.4G/BT1/BT2 Channel Indicator
- Connection Channel Switching Button
- 2.4G Dongle Slot
- 2.4G Dongle
1. 2.4GHz Wireless Connection
- Locate the 2.4G dongle (9) stored in the mouse's dongle slot (8) at the bottom.
- Plug the 2.4G dongle into an available USB port on your computer.
- Turn on the mouse using the ON/OFF Switch (5) located on the bottom.
- Press the Connection Channel Switching Button (7) until the 2.4G indicator (6) lights up, indicating 2.4G mode.
- The mouse should automatically connect to your device.
2. Bluetooth Connection
- Turn on the mouse using the ON/OFF Switch (5).
- Press the Connection Channel Switching Button (7) to select either BT1 or BT2 channel. The corresponding indicator (6) will flash.
- On your device (PC, laptop, tablet, phone), go to Bluetooth settings and search for new devices.
- Select "YUNZII C1" from the list of available devices to pair.
- Once paired, the indicator light will become solid.
3. USB-C Wired Connection
- Connect one end of the provided USB-C cable to the mouse's charging port.
- Connect the other end of the USB-C cable to an available USB port on your computer.
- The mouse will automatically switch to wired mode and function as a plug-and-play device.

Figure 5: Tri-Mode Connection Options
Charging the Mouse
The YUNZII C1 mouse is equipped with a 500mAh rechargeable battery. To charge:
- Connect the provided USB-C cable to the mouse's charging port.
- Connect the other end of the cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The DPI Switching/Charging/Low Power Indicator (2) will show charging status.
- A full charge provides up to 90 days of battery life under normal use.

Figure 6: Battery and Charging Information
Operating Instructions
DPI Adjustment
The mouse supports 6 adjustable DPI levels for precise control:
- 800 DPI
- 1200 DPI
- 1600 DPI
- 2400 DPI
- 3200 DPI (Default)
- 4800 DPI
To switch between DPI levels, simultaneously press the Middle Key/Roller (3) + Right Key (4). The DPI indicator (2) will change color to reflect the current DPI setting.

Figure 7: DPI Adjustment Guide
Customization Software
For advanced customization, including button assignments, macro functions, polling rate adjustment, and sleeping time settings, use the dedicated software or web-based configurator:
- Windows Users: Download and install the YUNZII C1 software.
- Mac & Windows Users: Utilize the online web-based configurator.
Connect the mouse via USB-C to your computer to access and apply customization settings.

Figure 8: Customization Software Interface
Power Management
The YUNZII C1 mouse features intelligent power-saving. It will automatically enter sleep mode after 10 minutes of inactivity to conserve battery life. To wake the mouse, simply move it or click any button.
Maintenance
- Cleaning: Use a soft, dry cloth to wipe the mouse surface. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the internal components.
- Storage: When not in use for extended periods, turn off the mouse to preserve battery life. Store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Avoid fully discharging the battery frequently. Charge the mouse when the low power indicator appears.
Troubleshooting
- Mouse not responding:
- Ensure the mouse is turned on.
- Check battery level and charge if necessary.
- Verify the correct connection mode (2.4G, Bluetooth, or Wired) is selected.
- For 2.4G, ensure the dongle is securely plugged in.
- For Bluetooth, re-pair the mouse with your device.
- Try connecting via USB-C cable to rule out wireless issues.
- DPI not changing:
- Ensure you are pressing the Middle Key/Roller and Right Key simultaneously.
- Check the DPI indicator light for feedback.
- Lag or intermittent connection:
- Reduce distance between mouse and receiver/device.
- Remove potential sources of interference (other wireless devices, large metal objects).
- Ensure the mouse is fully charged.
- Customization software not detecting mouse:
- Ensure the mouse is connected via USB-C cable to the computer running the software.
- Restart the software and/or your computer.
User Tips
- Optimal Comfort: The ergonomic silicone design is best suited for small to medium hand sizes. Ensure your hand rests naturally on the mouse for prolonged comfort.
- Surface Versatility: The optical sensor performs well on various surfaces including wood, paper, and fabric. Experiment to find the best surface for your usage.
- Battery Life Maximization: Utilize the auto-sleep feature and remember to turn off the mouse when transporting it or not using it for extended periods to maximize the 500mAh battery life.
- Customization for Efficiency: Take advantage of the customization software to assign macros or reconfigure buttons for frequently used actions, enhancing your workflow or gaming experience.

Figure 9: Ergonomic Silicone Design for Comfort

Figure 10: Performance on Various Surfaces
Warranty and Support
For warranty information, technical support, or any inquiries regarding your YUNZII C1 Wireless Mouse, please contact YUNZII customer service through their official website or the retailer where the product was purchased. Keep your proof of purchase for warranty claims.