Features: Scroll smarter: With Logitech Signature M650 Wireless Mouse you get line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the Smart Wheel The optimal fit for your hand: This comfortable mouse is designed for small-to-medium sized hands, for the optimal fit Upgrade your comfort: This computer mouse provides long hours of comfort thanks to a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver Less noise, more focus: Whether working at the office or at home, Logitech Signature M650 is a quiet mouse, allowing you to enjoy 90 per cent less click noise with Silent Touch technology Customisable side buttons: Customise the side buttons on the Bluetooth mouse with Logitech Options+, available on Windows and mac OS, to your favourite shortcuts - like back/forward or copy/paste 24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse Works on multiple platforms: Experience seamless compatibility with Windows, mac OS, Linux, Chrome OS, ipad OS, and Android operating systems with Logitech Signature M650 wireless mouse