Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your CITLLA L570 Wireless Bluetooth Mouse. Please read this manual thoroughly before using the product to ensure proper functionality and to maximize your user experience.

Image: Top view of the CITLLA L570 Wireless Bluetooth Mouse.

Image: User operating the CITLLA L570 mouse.
Package Contents
Verify that all items are present in the package:
- CITLLA L570 Wireless Bluetooth Mouse
- USB-A Receiver (stored inside the mouse)
- Type-C Charging Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the components and key features of your CITLLA L570 mouse.

Image: Overview of the CITLLA L570 mouse features.

Image: CITLLA L570 mouse alongside a keyboard.
Key Features:
- 4-Way Scroll Wheel: Provides both vertical high-speed scrolling and horizontal tilt scrolling.
- Adjustable DPI: Four levels (1000/1600/2400/3000) for precise control.
- Multi-Device Connectivity: Connects to up to three devices via one 2.4G USB-A receiver and two Bluetooth channels.
- Rechargeable Battery: Built-in high-capacity lithium battery with Type-C charging.
- Silent Clicks: Designed for a quiet working environment.
- Forward/Back Buttons: Located on the side for enhanced navigation.
Setup
The CITLLA L570 mouse offers flexible connectivity options. Choose between 2.4G wireless or Bluetooth connections.
1. 2.4G USB-A Receiver Connection
- Locate the USB-A receiver. It is typically stored in a compartment on the underside of the mouse.
- Insert the USB-A receiver into an available USB port on your computer or device.
- Turn on the mouse using the power switch located on the bottom.
- Press the device switch button (usually on the top or bottom of the mouse) to select the 2.4G mode (indicated by a specific LED color or number, refer to the mouse's physical markings). The mouse should connect automatically.
2. Bluetooth Connection (BT1 / BT2)
The mouse supports two independent Bluetooth connections (BT1 and BT2).
- Turn on the mouse using the power switch.
- Press the device switch button to select either Bluetooth 1 (BT1) or Bluetooth 2 (BT2) mode. The corresponding indicator light will flash.
- For initial pairing, hold down the device switch button for three seconds until the indicator light flashes rapidly. This indicates the mouse is in pairing mode.
- On your device (computer, tablet, smartphone), navigate to the Bluetooth settings.
- Search for new devices. The mouse should appear as "CITLLA L570" or a similar name.
- Select the mouse to pair. Once connected, the indicator light will stop flashing and remain solid for a few seconds before turning off.
To connect to a second Bluetooth device, repeat steps 2-6, selecting the other Bluetooth channel (BT2).

Image: Multi-device connectivity of the CITLLA L570 mouse.
Operating Instructions
1. DPI Adjustment
The mouse features 4 adjustable DPI settings to suit various tasks and preferences.
- 1000 DPI: Suitable for design work requiring high precision.
- 1600 DPI: Ideal for general study and browsing.
- 2400 DPI: Recommended for work and productivity tasks.
- 3000 DPI: Optimal for gaming or fast-paced activities.
To change the DPI setting, press the DPI button located below the scroll wheel. Each press cycles through the available DPI levels.

Image: DPI adjustment settings and their recommended uses.
2. 4-Way Scroll Wheel
The innovative scroll wheel provides enhanced navigation capabilities:
- Vertical Scrolling: Scroll the wheel up or down for standard vertical navigation. The smart fly scroll feature allows for super-fast scrolling on long web pages.
- Horizontal Scrolling: Tilt the scroll wheel to the left or right to enable horizontal scrolling, useful for wide documents or spreadsheets.

Image: Explanation of the 4-way scroll wheel functionality.
3. Multi-Device Switching
To switch between connected devices (2.4G, BT1, BT2), simply press the device switch button. The indicator light will show which channel is currently active.

Image: Mouse used with multiple devices.
4. Charging
The CITLLA L570 mouse is equipped with a rechargeable battery.
- Connect the provided Type-C charging cable to the charging port on the front of the mouse and to a USB power source.
- A full charge typically takes 1.5-2 hours and can provide approximately 60 days of normal use.
- The low power indicator light will illuminate when the remaining power is sufficient for less than 7 days of use, providing ample time to recharge.

Image: Mouse charging via Type-C cable.

Image: Mouse connected for charging.
Compatibility
The CITLLA L570 mouse is designed for broad compatibility across various operating systems and devices.
- Operating Systems: Windows (8/10/11 and later), Mac OS (10.15 and later; USB connection supports 10.10 and later), Chrome OS (11 and later; USB connection supports 9 and later), iOS (13.4 and later), Android (5.0 and later), Linux (10 and later; USB connection supports 8 and later).
- Devices: Desktops, Laptops, Tablets, Smartphones, All-in-one PCs.

Image: Operating system compatibility icons.

Image: Specific system version compatibility details.
Maintenance
To ensure the longevity and optimal performance of your CITLLA L570 mouse, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the mouse. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the internal components. Avoid harsh chemicals or abrasive cleaners.
- Storage: When not in use for extended periods, store the mouse in a cool, dry place.
- Battery Care: Avoid fully discharging the battery frequently. Charge the mouse when the low power indicator appears. Do not expose the battery to extreme temperatures.
- Receiver: Keep the USB-A receiver in its designated storage slot within the mouse when not in use to prevent loss.
Troubleshooting
| Problem | Solution |
|---|---|
| Mouse not responding (2.4G) |
|
| Mouse not responding (Bluetooth) |
|
| Cursor movement is erratic or slow |
|
| Scroll wheel not working |
|
| Low battery indicator always on |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | L570 |
| Connectivity Technology | 2.4G USB-A Receiver, Bluetooth 1, Bluetooth 2 |
| DPI Settings | 1000 / 1600 / 2400 / 3000 |
| Movement Detection | Optical |
| Special Features | 4-Way Scrolling, Forward/Back buttons, Multi-Device (3 devices), Quiet Clicks (10 million click lifespan), Rechargeable (Type-C charging) |
| Battery Type | High-capacity Lithium Battery (500mAh) |
| Charging Port | Type-C |
| Battery Life (approx.) | 60 days after 1-hour charge |
| Item Weight | 5.6 ounces |
| Dimensions | 5.59 x 3.11 x 2.13 inches |
Warranty and Support
CITLLA products are manufactured with quality and reliability in mind. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official CITLLA website.
For further assistance, you may also contact the seller directly through the platform where the product was purchased.
Manufacturer: CITLLA
Brand Store: Visit the CITLLA Store on Amazon