M590  Multi-Device Silent, Silent  mouse for power user. Logitech M590 wirelessmouse gives you all the precission and productivity you want  without all noise. Logitech FLOW, it has the almost magical capacity to navigate seamlessly on two computers and copy-paste from one to the other. Its 90% click noise reduction ensures you won't be disturbing those around you. Work comfortably and quietly.                                                          Technical Specifications Connection type: Bluetooth Smart and 2.4GHz wireless connection Wireless range: 10 m** It may vary based on use and computing conditions. Battery details: 1 x AA Battery life: 2 years** It may vary based on use and computing conditions. Sensor technology: Logitech Advanced Optical Tracking Sensor resolution: 1000 dpi Scroll Wheel: Yes Number of buttons: 7 Standard and Special buttons: Tilt wheel with middle click, Easy Switch Gesture Support (Windows): Yes Gesture Support (Mac): Yes Optional software: Logitech Options and Logitech Flow