WORKS WITH ALMOST ANY DEVICE
Connect to any Bluetooth®-enabled PC or Mac® or Windows® 8 tablet—no receiver required.

GO FOR ONE FULL YEAR
The M557 offers exceptional battery life for a Bluetooth mouse.

ALL THE CONTROL YOU NEED
Customizable buttons give you one-touch access to the things you use most, like the Windows 8 Desktop and Start Screen.

BLUETOOTH WIRELESS
Connect to any Bluetooth -enabled PC or Mac computer or Windows 8 tablet—no receiver required. It’s the one mouse you can rely on to work with all the devices you work on.

SLIM, AMBIDEXTROUS DESIGN
Whether you’re a righty or a lefty, whether you use a fingertip or palm grip, the M557 is always a perfect fit.

12-MONTH BATTERY LIFE
Enjoy exceptional battery life for a Bluetooth mouse, and work for up to a full year between battery changes, An On/Off switch helps conserve power, smart sleep mode extends battery life, and an indicator light helps to ensure that you’ll never be caught off guard.

WINDOWS 8 START SCREEN BUTTON
A button located behind the scroll wheel makes it fast and simple to switch between the traditional Windows desktop and apps and the new, full-screen Windows 8 interface. FULLY CUSTOMIZABLE
You can change the way each button works to suit your needs and preferences. Our powerful software works with Windows 8, older versions of Windows and Mac OS®.2

HIGH-DEFINITION OPTICAL SENSOR
The 1000 dpi, high-definition optical sensor delivers smooth, responsive cursor control, so you can work with precision and confidence on a wide variety of surfaces.