This article covers Logicool G ゲーミングマウス ワイヤレス G903 ブラック LIGHTSPEED 無線 多ボタン ゲームマウス LIGHTSYNC RGB POWERPLAY ワイヤレス充電 G903 国内正規品 2年間メーカー保証.

Overview

The Logitech G903 LIGHTSPEED is a flagship wireless gaming mouse that has remained a benchmark since its 2017 launch. It uses Logitech's proprietary LIGHTSPEED wireless technology, delivering a 1ms report rate that matches the fastest wired mice. At its heart is the PixArt PMW3366 optical sensor, capable of tracking from 200 to 12,000 DPI with zero smoothing. Weighing just 110g (with a removable 10g weight included), the mouse is ambidextrous and allows full button customization. The G903 is also compatible with the POWERPLAY wireless charging system, so you can charge while playing, eliminating battery anxiety. It comes with a 2-year manufacturer warranty and remains a top pick for competitive gamers who demand both wireless freedom and uncompromising performance.

Connectivity & Compatibility

The G903 connects via the LIGHTSPEED 2.4 GHz wireless protocol using the included nano receiver, which can be extended with the provided adapter for optimal placement. It also supports wired mode via the included 1.83m USB-A to Micro-B cable, which simultaneously charges the battery. The mouse is compatible with Windows 7 or later and macOS X 10.8 or later, and requires the free Logitech G HUB software for full customization of buttons, lighting, and macros. The most distinctive compatibility feature is with the POWERPLAY charging mat (sold separately), which charges the mouse inductively during use. Additionally, the G903 accepts optional side buttons and covers (included) allowing the user to change the button layout for left- or right-handed use.

Product Info

Released in September 2017, the G903 LIGHTSPEED sits at the high end of Logitech's gaming mouse lineup, targeting professional and enthusiast gamers who want the best wireless technology available. The package includes: the mouse, nano receiver, USB charging/data cable, receiver extension adapter, 10g weight, four side buttons (left and right, two each), two button covers, and documentation. The warranty is a full two years from Logitech for Japanese domestic models. The retail price is approximately ¥24,800 (as of July 2026), widely available from major online retailers like Japan and electronics stores. While the sensor and wireless performance remain excellent, the G903 is now several years old, but Logitech continues to produce and support it with firmware updates through G HUB.

Best Use Cases

Competitive FPS/TPS players: The combination of sub-1ms wireless latency and the PMW3366 sensor's raw precision gives you a genuine edge in fast-paced shooters. The ambidextrous shape works well for both palm and claw grips. However, left-handed gamers may find the default button layout suboptimal; the included side buttons can be moved to either side, but the overall shell remains symmetrical. If you prefer an ergonomic right-handed shape, consider the G703 or G502 X instead. Users who want a clutter-free desk: Wireless with no cable drag is a huge quality-of-life improvement. Adding the POWERPLAY mat makes charging completely automatic, so you never have to plug in the mouse. The battery lasts about 24 hours with RGB on, or 32 hours with LEDs off. For daily 8-hour use, expect to charge every 2-3 days without POWERPLAY. MMO and RPG players who need many programmable buttons: With up to 10 programmable buttons (including the DPI button), you can assign macros, skill rotations, or media controls easily via G HUB. The ability to install side buttons on both sides allows for more complex inputs. But if you prefer a heavier mouse for stability during slow movements, the G903's 110g might feel too light; adding the weight helps, but it's still on the lighter side. Multi-PC or frequent upgrade users: The G903's receiver works instantly across any compatible PC, and wired mode works on virtually any system without drivers. Its long product life and ongoing support make it a safe investment even if you plan to build a new PC later.

Product Disclosure (Amazon)

  • Manufacturer: Logicool(ロジクール)
  • Seller: TMC ONLINE SHOP
  • Fulfilled by: TMC ONLINE SHOP
  • ASIN: B0752G9Y34
  • Note: This article covers a manufacturer-made product based on Amazon listing details.