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MICE

Logitech G703 LIGHTSPEED HERO

Black · UK configuration · Logitech part 910-005641

Weight
95 g
Connections
Wireless receiver; wired USB data
Sensor model / type
HERO 25K

The black G703 LIGHTSPEED HERO (910-005641) is a right-handed wireless mouse with a HERO 25K sensor up to 25,600 DPI, six programmable buttons, LIGHTSYNC RGB, an optional 10 g weight and POWERPLAY charging support.

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THE ACTUAL PRODUCT
Logitech G703 LIGHTSPEED HERO in Black: exact official product gallery view
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with Razer DeathAdder V3 HyperSpeed

Specifications checked 11 Sept 2026Manufacturer specifications, not a hands-on test.

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The useful part.

Key strengths

LIGHTSPEED wireless carries a HERO 25K sensor (100–25,600 DPI at 1000 Hz), and the right-handed shell adds rubber side grips, LIGHTSYNC RGB and room for an optional 10 g weight.

The checks that matter.

Before you buy

It weighs 95 g before the optional weight and is shaped for right-handed use. The POWERPLAY charging system is sold separately, and Logitech lists up to 60 hours with lighting off or 35 hours under constant motion.

Every specification. With its source.

Full specifications

Exact configuration: Black · 910-005641 · UK manufacturer configuration

30 specifications in 6 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Sensor & tracking

7 items
Sensor model / type
HERO 25K

Logitech's sensor name.

Source
Maximum tracking resolution
25600 DPISource
Maximum report rate
1000 Hz

1 ms report interval.

Source
Minimum sensitivity
100 DPI

Tracking range starts at 100 DPI.

Source
Published tracking speed
Greater than 400 IPS

Tested by Logitech on a G240 mouse pad.

Source
Published acceleration threshold
Greater than 40 G

Tested by Logitech on a G240 mouse pad.

Source
Published sensor processing
Zero smoothing, acceleration and filteringSource

Shape, weight & build

9 items
Weight
95 g

Before the optional 10 g weight.

Source
Body length
124 mm

Mouse body, length × width × height; cable excluded.

Source
Dimensions
124 × 68 × 43 mm (length × width × height)

Mouse body, length × width × height; cable excluded.

Source
Hand orientation
Right-hand control layout; asymmetric shell with left-side thumb buttons

Control layout from the manufacturer's product views.

Source
Optional additional weight
10 g

Optional extra weight, added to the listed mouse weight.

Source
Lighting
RGB

G HUB supports game-, audio- and screen-driven RGB effects. Published lighting implementation: LIGHTSYNC RGB. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation.

Source
Body width
68 mm

Overall width, not grip width.

Source
Grip material
Dual-injected rubber side gripsSource
Claimed runtime with lighting off
60 hours

Up to60hours with no lighting, as separately listed by Logitech. Motion pattern, connection mode and report-rate conditions for this60hour row are not explicitly stated; this is not a controlled comparison.

Source

Buttons & switches

3 items
Listed controls
6

Programmable in G HUB.

Source
Main switch technology
Not listed by the manufacturer

The manufacturer describes mechanical button tensioning, which does not establish the electrical switch actuation type. · Primary-button tensioning is recorded separately. Electrical switch actuation and vendor remain unverified.

Source
Primary-button tensioning
Metal-spring primary-button tensioning system

Manufacturer-stated primary-button tensioning mechanism, separate from electrical actuation, measured click force, latency or reliability.

Source

Connection & battery

6 items
Connections
Wireless receiver; wired USB data

Original exact connection description: LIGHTSPEED wireless USB receiver; USB data and charging cable. This common availability value does not equate proprietary receiver systems: the distinct sourced ecosystem is retained in wireless_ecosystem. The exact package names charging/data cable and the technical table lists both USB and wireless report rates. Cable endpoint shapes, chemistry and receiver interoperability are not identified and remain unknown.

Source
Power source
Rechargeable battery

Manufacturer POWERPLAY feature expressly describes keeping the mouse charged while at rest or play; POWERPLAY system is sold separately, and the package includes a charging/data cable. Exact battery chemistry, capacity and user replaceability remain unverified. Original runtime claims are retained in separate conditioned fields: Up to 60 hours without lighting; separate 35-hour constant-motion claim. Logitech lists 35 hours under constant motion and 60 hours with lighting off; runtime varies with use.

Source
Cable length
1.8 mSource
Wireless charging support
Logitech POWERPLAY

The POWERPLAY wireless charging system is sold separately.

Source
Wireless receiver ecosystem
Logitech LIGHTSPEED Wireless

Manufacturer-named proprietary receiver system. Different names are retained; these sources do not establish cross-model/cross-brand interoperability, protocol equivalence or independently measured latency.

Source
Claimed constant-motion runtime
35 hours

The source separately lists Constant motion:35Hrs, with user/battery-discharge/computing-condition caveat. Lighting, connection mode and report-rate conditions for this35hour row are not explicitly stated.

Source

Software & onboard memory

2 items
Customisation software
Logitech G HUB

G HUB is an optional download (internet required); advanced settings need it.

Source
Onboard profile capacity
Not provided

Logitech does not list this for the model. · Logitech does not list a stored-profile count.

Source

Box, compatibility & warranty

3 items
Manufacturer host requirements
USB port; Windows 7 or later; macOS 10.11 or later; ChromeOS

G HUB has its own current system requirements.

Source
Listed package
Mouse; LIGHTSPEED receiver; charging/data cable; receiver extension adapter; optional 10 g weight; documentation

POWERPLAY hardware is not included; check the seller's listing.

Source
POWERPLAY 2 compatibility
Yes

On Logitech's POWERPLAY 2 compatible-mice list; the charging system is sold separately.

Source
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