Logitech G309 Lightspeed Gaming Mouse - Black

Logitech G309 LIGHTSPEED Wireless Gaming Mouse — Black | HERO 25K Optical Sensor — 100–25,600 DPI | 400+ IPS / 40G | LIGHTFORCE Hybrid Optical-Mechanical Switches | LIGHTSPEED 2.4GHz + Bluetooth Dual-Wireless | 300+ Hours on 1× AA Battery (LIGHTSPEED) / 600+ Hours (Bluetooth) | POWERPLAY Compatible — 68g Battery-Free | 86g with AA Battery | 6 Programmable Buttons | 5 Onboard Profiles | PTFE Feet | No RGB | 120×64×39mm | G HUB Software | 2-Year Warranty

The Logitech G309 LIGHTSPEED is the wireless gaming mouse that brings the three flagship Logitech G technologies — HERO 25K sensor, LIGHTFORCE hybrid switches and LIGHTSPEED dual-wireless — into the accessible mid-range price tier without compromise on performance specifications, available in Black. The G309 is a right-handed ergonomic mouse weighing 86 grams with the included AA battery, dropping to 68 grams when used with the Logitech POWERPLAY wireless charging mouse pad (sold separately) which powers the mouse without a battery and charges it continuously during play. The AA battery format — rather than the built-in rechargeable lithium battery used by most wireless gaming mice — is the deliberate engineering choice that gives the G309 its 300+ hour LIGHTSPEED battery life and 600+ hour Bluetooth battery life: a built-in lithium cell degrades with charge cycles and typically delivers 60–100 hours before requiring a recharge, while an alkaline AA cell depletes slowly over hundreds of hours of use before replacement. The result is a mouse that for most players will require battery attention fewer than 3–4 times per year rather than requiring a charging cable after every two to three gaming sessions.

The HERO 25K sensor tracks at up to 25,600 DPI with 400+ IPS velocity and 40G maximum acceleration, with zero smoothing, filtering or artificial acceleration — the same sensor used in Logitech’s flagship PRO series mice, re-housed in the more affordable G309 body without modification. The HERO sensor’s 10× power efficiency advantage over its predecessor generation is the reason the AA battery delivers 300 hours at gaming-grade LIGHTSPEED polling rates: a sensor that consumes less power per tracking cycle extends the period between battery changes by proportionally reducing the total power draw on the cell. The DPI range is adjustable from 100 to 25,600 in steps, with five configurable DPI stages stored onboard and changeable without software during play via the DPI button. The LIGHTFORCE hybrid switches in the left and right main buttons are the key differentiator from standard gaming mice in the G309’s price bracket. A conventional mechanical switch uses a spring-and-metal-contact mechanism that requires physical metal contact to register a click — the click-to-registration chain involves a travel distance, a spring force threshold, metal contact, and then a debounce filter period of 5–20ms before the click is accepted. An optical switch eliminates the debounce filter entirely by using an optical light-gate that registers the moment the spring mechanism breaks the beam, without requiring any contact delay period. The LIGHTFORCE design is a hybrid: it retains the mechanical spring actuation feel and tactile bump of a traditional switch — the physical feedback that gives the clicker confidence they fired — while using optical detection at the trigger point for debounce-free registration speed. This combination gives the G309 the click feel of a mechanical mouse and the registration speed of an optical one. LIGHTSPEED wireless operates at the same 1ms report rate (1,000 Hz polling) as a wired connection, ensuring the wireless link introduces no additional latency versus a cable in the Razer-vs-Logitech LIGHTSPEED polling rate comparison. Bluetooth mode adds flexibility for multi-device productivity use or situations where the 2.4GHz receiver is not available, at the cost of a slightly higher polling rate. Six programmable buttons configurable via Logitech G HUB software with 5 onboard profile storage. PTFE mouse feet for low-friction glide. No RGB lighting — the absence of LEDs contributes directly to the battery life and weight advantage. In box: mouse + USB LIGHTSPEED receiver + USB receiver extender + grip tape + 1× AA battery. 2-year warranty.