Official manufacturer overview
Logitech G colour collection — G203 family
Logitech G · Multi-product Logitech G colour collection featuring the G203 family alongside other products. This listing is the black wired G203 LIGHTSYNC mouse only. Other colours, wireless mice, headsets and keyboards shown are not included; their features do not apply to this mouse.
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Logitech G • G203 LIGHTSYNC
Six buttons. Your sensitivity. A little more colour.
The black Logitech G203 LIGHTSYNC is a wired gaming mouse with a familiar six-button layout, adjustable 200–8,000 DPI sensitivity and an 85 g body. Its 2.1 m cable keeps the USB connection simple, while G HUB adds button assignments, sensitivity presets and LIGHTSYNC lighting control.

Tracking
Set sensitivity for the way you play.
The optical gaming sensor offers a 200–8,000 DPI adjustment range. Use G HUB to configure up to five sensitivity presets and choose settings that suit your mousepad space and in-game controls. A higher DPI value is a sensitivity option, not an automatic improvement in aim.
Controls
Keep useful commands close at hand.
Six programmable buttons include the primary clicks, wheel click, sensitivity control and two side buttons. Assign supported game commands, keyboard actions or shortcuts through G HUB. Metal-spring tensioning on the primary buttons supports a consistent mechanical click feel; it is not an optical-switch or switch-lifetime claim.
LIGHTSYNC
Make the lighting fit the setup.
Choose from approximately 16.8 million colours, animations or a colour blend. G HUB also provides screen-sampling and audio-reactive effects, with support for synchronising compatible LIGHTSYNC equipment. These advanced effects require the relevant software and supported host environment.
Wired connection
A steady USB connection without a charging routine.
G203 connects over its 2.1 m USB cable and reports at up to 1000 Hz, corresponding to a 1 ms reporting interval. That interval is not total end-to-end game latency. The 116.6 × 62.1 × 38.2 mm body and 85 g published mouse weight provide useful reference points when choosing a grip and desk layout.
Software and support
Separate basic use from advanced customisation.
The product’s hardware compatibility lists Windows 7 or later, macOS 10.13 or later and ChromeOS with a USB port. G HUB has its own requirements: Logitech currently lists Windows 10 version 1809 onward through Windows 11 and the latest three major macOS releases. Check the download page for your system; hardware compatibility does not promise G HUB support on an older OS or ChromeOS.

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