Review · Mice
Logitech now sells two mice called G305. The original G305 LIGHTSPEED, on sale since 2018, takes one AA cell and talks to the computer only through its USB receiver. The G305 X SUPERLIGHT keeps the shape, charges over USB-C and adds Bluetooth.
This review works from Logitech's specifications, setup guide and power-mode help page, Energizer's battery datasheets and owner reports on iFixit. By Logitech's own figures, the G305 weighs more than the whole X SUPERLIGHT even with no battery inside it.
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One AA cell runs the G305 for close to three months of evening play at the full report rate, which keeps it the low-cost pick for a player who doesn't need a light mouse. The G305 X SUPERLIGHT is lighter and adds Bluetooth.
Logitech's specification sheet, setup guide and power-mode help page give the rated weights, battery figures, receiver placement advice and button details used in every section. Energizer's datasheets give the cell weights for the weight arithmetic. The double-click reports are owners' posts on iFixit. Click latency and tracking are left unrated because no lab figure is available to cite.
Logitech's documentation, Energizer's battery datasheets and owner reports on iFixit.
No lab figure for click latency or sensor consistency is available to cite, so those stay unrated. Nobody has published a test of how long one cell lasts against Logitech's 250-hour rating, and the double-click reports are owner accounts, not a failure rate.
Logitech's specification sheet lists the G305 at 75 grams without a battery and 99 grams with the alkaline AA that comes in the box. Logitech rates the G305 X SUPERLIGHT at 59 grams, so the old shell on its own is 16 grams heavier than the entire new mouse. The X SUPERLIGHT carries a built-in battery that Logitech rates at more than 130 hours a charge, about half the G305's rating per cell.
The setup guide suggests a lithium AA, sold separately, to make the mouse lighter. Energizer's datasheets give 15 grams for its Ultimate Lithium AA and 23 grams for its alkaline AA, and with a lithium cell inside, the G305 weighs about 90 grams. That recovers 9 of the 40 grams between the two G305s.
Logitech rates the HERO sensor at 200 to 12,000 DPI, 400 IPS and 40 G, with a 1,000 Hz report rate in Performance mode. The X SUPERLIGHT lists 44,000 DPI. No lab figure for click latency or tracking is available to cite, so this section carries no score.
There is no Bluetooth and no cable mode, so the receiver needs a free USB-A port on every computer the mouse is used with. In a crowded wireless room, the setup guide asks for the receiver to be within about 8 inches of the mouse and at least 6.5 feet from the router. Logitech's US store lists only the mouse, the receiver and the documentation in the box, so an extension cable to bring the receiver closer is a separate purchase.
Logitech rates the G305 at up to 250 hours of non-stop play on one AA cell in Performance mode, which reports at 1,000 Hz. At three hours of gaming a day, that is about 83 days, close to three months per cell. Endurance mode, picked in G HUB, fixes the report rate at 125 Hz and stretches the rating to nine months of standard use, according to Logitech's help page on the power modes.
The cell lives under a cover that slides off the back of the shell, beside a slot that holds the receiver for travel. With a spare AA in a drawer, a dead mouse works again without waiting for a charge, and there is no built-in battery to lose capacity after a few years of charging. Razer's Basilisk V3 X HyperSpeed also runs on a single AA cell, and adds Bluetooth.
Logitech lists the G305 at 4.6 by 2.5 by 1.5 inches, a small egg shape that gives a large palm little to rest on. The body is symmetrical, but both side buttons are on the left, so it is a right-hander's mouse.
All six buttons can be remapped in G HUB and saved to one onboard profile.
Logitech rates the main buttons for 10 million clicks. On an iFixit Answers thread, several owners describe the left button double-clicking after about a year, and the accepted fix was opening the shell to solder in new switches.
The same shape at 59 grams, with a rechargeable battery, Bluetooth and a wired USB-C mode. It costs more, and Logitech's headline 8,000 Hz needs a receiver sold separately.
Also runs on one AA cell and adds Bluetooth, a thumb rest and nine programmable controls. Larger hands get more to hold, at the cost of a heavier, right-handed body.
The wired version of the same egg shape, with RGB lighting, for a desktop where the cable never has to move and no battery is wanted.
A lighter mouse with a rechargeable battery, at a higher price.
Specifications
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Scores run from 1.0 to 10.0: 9+ exceptional, 8–8.9 excellent, 7–7.9 good, 6–6.9 fair, 5–5.9 mediocre, below 5 poor. The overall score is the weighted average of the rated sections. Unrated sections do not count.
Eight years after launch, one AA cell still runs the G305 for months at the full report rate. Its weight lives in the shell as much as in the battery, so Logitech's lithium tip makes it lighter without bringing it near the X SUPERLIGHT. Logitech still sells it in five colors beside its replacement.
Andreea-Viviana Jitaru’s take
A mouse that runs on any AA cell from a kitchen drawer has nothing to charge before a trip and no battery to wear out, which is enough for me to keep one in a laptop bag despite the weight.
Logitech's US store lists a G304 in the G305's box contents, and G304 is the name the same mouse carries outside North America. Logitech's help page on power modes covers the G304SE and G305SE together. The serial number is printed inside the battery cage, where Logitech support can check it.
Logitech's setup guide suggests a lithium AA for exactly that, and by Energizer's datasheets a lithium AA weighs 8 grams less than an alkaline one. The mouse stays heavier than the G305 X SUPERLIGHT.
No. It connects only through its LIGHTSPEED USB receiver, which needs a USB-A port. The G305 X SUPERLIGHT adds Bluetooth and a wired USB-C mode.
