The Kensington Orbit Wireless Mobile Trackball offers a precise, compact and versatile experience with a centred-ball design. With no wires to tie you down, the 2.4 GHz wireless with storable nano receiver works wherever you do, at your home or office. And the unique touch scrolling lets you glide effortlessly through web pages and documents. Features - Unique touch scrolling lets you glide effortlessly through web pages and documents - Two customizable buttons with Kensington Trackball Works software - Secure 2.4Ghz wireless technology reduces risk of interference and is ideal for office environments - Ambidextrous design for left or right-handed users - USB Plug & Play - A distinctive centred-ball design gives you more comfort and precision - Nano Wireless USB receiver stores inside mouse battery compartment when travelling - Requires 2 x AA batteries (included) - On/Off switch helps prevent accidental battery drain - Professional matt black high gloss black finish - Compatible with Windows 7, Windows XP, Windows Vista and Mac OS X - Trackball Works software downloadable from www.kensington.com Specifications : - Compatibility : Mac OS, Vista, Windows 7, Windows 8, XP - Connectivity : Wireless - Controls : Touch Scrolling - Sensor : Laser - Wireless

: 2.4Ghz What's in the box 1 x Wireless Mouse