Logitech M335 Key Features Wireless Mouse 1000 dpi 3 Buttons Optical Tracking Up to 18 Month Battery Life Overview The Logitech M355 is designed with portability in mind, fitting easily into your bag and giving you the freedom to work anywhere, on any surface. The curved shape and rubber grip keep your hand comfortable, even in long work stints, and the convenient navigation button and tilt wheel put control in the palm of your hand. Compatible with Windows, Mac or Chrome OS, the M355 connects with a wireless USB receiver, giving you free reign over how you want to work. Specifications Design Ambidextrous Sensor Optical Tracking Resolution 1000 dpi Number of Buttons 3 Connectivity Wireless USB Dongle Wired/Wireless Wireless Rechargable No, removable battery Colour Blue Dimensions 61.1 x 100.5 x 33 mm Weight 85g