Logitech G G703
Logitech G703 Lightspeed Wireless Gaming Mouse
Model: G703 | Brand: Logitech G
Product Overview
The Logitech G703 Lightspeed Wireless Gaming Mouse is engineered for high-performance gaming, featuring advanced wireless technology and a precise sensor. It is designed for comfort and durability, offering customizable controls and lighting to enhance the user experience.

Image: The Logitech G703 Lightspeed Wireless Gaming Mouse in black, viewed from the top. The illuminated 'G' logo is visible on the palm rest, and the scroll wheel with a light strip is at the front.
Package Contents
Verify that all items are present in your product package:
- Logitech G703 Lightspeed Wireless Gaming Mouse
- Lightspeed Wireless Nano Receiver (USB dongle)
- Charging/Data Cable (USB-A to Micro-USB)
- Wireless Extension Adapter
- 10g Optional Weight
- User Documentation

Image: An exploded view diagram of the Logitech G703 mouse and its accessories, highlighting features like 6 programmable buttons, advanced button tensioning, the charging/data cable, wireless extension adapter, 16.8M color RGB lighting, and the Lightspeed wireless nano receiver.
Setup
- Connect the Receiver: Insert the Lightspeed Wireless Nano Receiver into an available USB-A port on your computer. For optimal signal strength, use the included wireless extension adapter and charging cable to position the receiver closer to the mouse.
- Power On: Locate the On/Off switch on the underside of the mouse and slide it to the 'On' position. The mouse's RGB lighting will illuminate.
- Install Software (Optional but Recommended): Download and install the Logitech G HUB software from the official Logitech website. This software allows for customization of buttons, DPI settings, and Lightsync RGB lighting.
- Adjust Weight (Optional): The mouse comes with a removable 10g weight. To insert or remove it, gently push on the circular cover on the underside of the mouse to release it. Place or remove the weight and reattach the cover.

Image: The underside of the Logitech G703 mouse, indicating the location of the On/Off switch, the HERO 16K sensor, and the compartment for the 10g removable weight. Dimensions of the mouse are also provided.
Operating Instructions
Buttons and Controls
- Left/Right Click: Standard mouse buttons.
- Scroll Wheel: Functions as a scroll wheel and a clickable middle button.
- Side Buttons (G4/G5): Two programmable buttons located on the left side, typically used for forward/back navigation or in-game commands.
- DPI Cycle Button (G7): Located below the scroll wheel, this button allows you to cycle through preset DPI sensitivity levels.
- Power On/Off Switch: Located on the underside of the mouse.
DPI Adjustment
The G703 features the HERO 25K sensor, offering a wide range of DPI (Dots Per Inch) sensitivity from 100 to 25,600 DPI. You can adjust DPI settings on-the-fly using the dedicated DPI cycle button or customize them precisely via the Logitech G HUB software.

Image: A graphic illustrating the HERO 25K Sensor's capabilities, emphasizing its 1:1 tracking, maximum 25,600 DPI, and class-leading power efficiency.
Lightspeed Wireless Technology
Logitech's Lightspeed wireless technology provides a professional-grade 1ms report rate, ensuring minimal latency for responsive and reliable gameplay. This technology is optimized for performance and power efficiency.

Image: A visual representation of Lightspeed Wireless technology, showing the Logitech G703 mouse and highlighting its pro-grade connectivity with an incredibly fast 1ms report rate.
Lightsync RGB Lighting
The G703 features Lightsync RGB lighting, offering full-spectrum 16.8 million colors. This lighting can respond to in-game action, audio, or screen color. Customization of lighting effects and synchronization across other Logitech G gear is available through the G HUB software.

Image: A graphic showcasing Lightsync RGB, with the Logitech G703 mouse displaying its customizable full-spectrum 16.8 million color lighting that responds to in-game actions.
Charging and Battery
The Logitech G703 has a long-lasting battery, providing up to 35 hours of continuous play with default Lightsync RGB lighting. When the battery is low, connect the included charging/data cable to the front of the mouse and a USB port on your computer.
For continuous wireless charging, the G703 is compatible with the Logitech PowerPlay Wireless Charging System (sold separately). This system allows the mouse to charge wirelessly while at rest and during use, eliminating the need for manual charging.

Image: A depiction of the Logitech G703 mouse on a PowerPlay charging mat, illustrating its compatibility with the PowerPlay system for continuous wireless charging and extended battery life.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the mouse surface. For stubborn dirt, a slightly damp cloth can be used, ensuring no moisture enters the mouse.
- Sensor Care: Keep the optical sensor on the underside of the mouse clean and free from dust or debris to ensure optimal tracking performance.
- Storage: When not in use for extended periods, store the mouse in a cool, dry place.
Troubleshooting
Mouse Not Responding
- Ensure the mouse is powered on.
- Verify the USB receiver is securely plugged into a working USB port on your computer.
- Check the mouse battery level. If low, connect the charging cable.
- Try plugging the USB receiver into a different USB port.
- Restart your computer.
Intermittent Connectivity
- Ensure the mouse is within range of the receiver (typically up to 10 meters).
- Minimize interference from other wireless devices.
- Use the wireless extension adapter to position the receiver closer to the mouse.
Tracking Issues
- Clean the optical sensor on the underside of the mouse.
- Ensure you are using the mouse on a suitable surface (non-reflective, uniform color).
- Adjust DPI settings in Logitech G HUB software.
Specifications
| Brand | Logitech G |
| Model | G703 |
| Connectivity Technology | Lightspeed Wireless (USB) |
| Sensor | HERO 25K Optical Sensor |
| DPI Range | 100 - 25,600 DPI |
| Buttons | 6 Programmable Buttons |
| Lighting | Lightsync RGB (16.8M colors) |
| Battery Life | Up to 35 hours (with default lighting) |
| Weight | 95g (10g optional weight) |
| Dimensions | 1.69 x 2.68 x 4.88 inches |
Warranty and Support
For warranty information and technical support, please refer to the official Logitech website or the warranty card included in your product packaging. Logitech provides resources and assistance for product setup, troubleshooting, and general inquiries.
You can also visit the Logitech G Support Page for your G703 mouse for the latest drivers, firmware, and FAQs.
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