Logitech M331 Silent Plus is a wireless mouse featuring SilentTouch™ technology that reduces click noise by over 90%, making it ideal for quiet environments. It delivers precise 1000 dpi optical tracking with 3 buttons (left/right click, middle click) and smooth line‑by‑line scrolling. Connecting via a 2.4GHz USB receiver, it works within a 10m range. Powered by a single AA battery, it lasts up to 18 months with auto‑sleep and power‑saving features. The compact mouse measures 105.4x67.9x38.4mm, weighs 78g (with battery), and comes with a 1‑year limited warranty.