Logitech M590 Silent Key Features Wireless Mouse 1000 dpi 7 Silent Buttons Optical Tracking Up to 24 Month Battery Life Overview Powerful, precise, and silent, the Logitech M590 is designed to perform, so you can too. The curved, right-handed shape lets you work comfortably for hours, while the compact design and up to two years of battery life give you the freedom to take your work anywhere. The five programmable buttons and multi-device flow boost your productivity-silently thanks to the 90% reduction of clicking sounds. That means full focus for you and a quieter environment for those around you. Specifications Design Right-Handed Sensor Optical Tracking Resolution 1000 dpi Number of Buttons 7 Connectivity Bluetooth, Wireless USB Dongle Wired/Wireless Wireless Rechargable No, removable battery Colour Ruby Dimensions 103 x 64 x 40 mm Weight 101g