Universal BlueEye 1200 DPI Black Ambidextrous RF Wireless Scroll type: Wheel Buttons quantity: 3 Power source: Batteries AA NX-7000- Your own lookGreat for either handThe contoured shape feels great in either hand and gives you maximum comfort for all-day use.SmartGeniusCreate a mouse by adjusting DPI levels and other performance settings with your preference.Track on almost any surfaceNX-7000 uses 1000dpi BlueEye technology providing amazing tracking accuracy and is surface-friendly so you can use it on almost any surface, such as dusted or marble glass, a sofa or even on the carpet.Pico receiver storageWhen you are on the go, you can store the receiver in the bottom of the mouse.Unify your Genius miceYou can use NX-7000 receiver to work with other Genius wireless mice for more mobility. No more worries if you lose a receiver from one of Genius wireless mice in the future.Available in 5 different colours- Ocean Blue- Spring Green- Elegent White- Passion Red- Calm BlackConnectionWirele