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THE ACTUAL PRODUCT
Black Logitech G502 HERO wired mouse, with its thumb rest, labelled G-keys, dual-mode wheel and attached cable visible
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Logitech G502 HERO

Black · wired HERO · M-U0047 hardware

A wired mouse with a left-side thumb rest, adjustable ballast and a dual-mode scroll wheel.

Reviewed 6 Sept 2026Manufacturer specifications, not a hands-on test.
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WHAT IT BRINGS

The useful part.

Up to 18 g of removable weights lets you change the mouse's mass and balance.

Manufacturer source
BEFORE YOU CHOOSE

The checks that matter.

The mouse starts at 121 g before its optional weights; the wired connection needs a USB port.

Manufacturer source
NOTHING HIDDEN IN THE SMALL PRINT

Every specification.
With its source.

Our publishing standard
Sensor model / type
HERO optical sensor
Conditions & context

Manufacturer specification · Current firmware supports the stated maximum DPI.

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Connections
Wired USB
Conditions & context

Manufacturer specification

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Weight
121 g
Conditions & context

Manufacturer specification · Mouse only, without cable or optional extra weights; up to 18 g can be added.

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Dimensions
131.2 × 75 × 40 mm (length × width × height)
Conditions & context

Manufacturer specification · Current UK product dimensions used; the support table's 290 mm length is inconsistent and is not used.

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Body length
131.2 mm
Conditions & context

Manufacturer specification · Length from current UK product specifications.

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Body width
75 mm
Conditions & context

Manufacturer specification · Overall width, not grip width.

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Hand orientation
Right-thumb controls on the left side
Conditions & context

Manufacturer specification · Layout interpretation from the manufacturer's button diagram and left-side DPI-shift description; not a hand-size or comfort test.

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Programmable controls
11
Conditions & context

Manufacturer specification · Programmable controls include both wheel-tilt directions; the wheel-mode selector is additional and not programmable.

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Maximum tracking resolution
25600 DPI
Conditions & context

Manufacturer specification · Tracking resolution, not a performance or accuracy score.

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Weight adjustment
Five removable 3.6 g weights; up to 18 g added
Conditions & context

Manufacturer specification

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Scroll wheel
Switchable ratcheted / free-spinning scroll; left/right tilt
Conditions & context

Manufacturer specification · Two scroll modes documented in the setup guide.

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PUT IT IN PERSPECTIVE

A choice needs a contender.

Choose another checked product in mice for a side-by-side comparison.

Black Logitech G305 LIGHTSPEED wireless mouse viewed from above, with its scroll wheel, DPI button and side buttons visibleLogitech G305 LIGHTSPEEDBlack · LIGHTSPEED wireless · M-R0071 hardwareCompare the two
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