features:- unique 2.4GHz wirless laser mouse with presenter- function- advanced high precision 1600 dpi laser sensor- presenter function with air- cursor and laser pointer- working distance up to 10 meters; anti- interferenceOpticalTouch control technology: innovative eight- direction scroll for browsing left / right, up / down & diagonal + air- cursor function Effortless pop- up battery lid design: simply and easy for battery replacement and dongle storageMicro dongle receiver: 20 mm size, no need to unplug when traveling; 2.4Ghz wireless technology with auto-bind connect function, working distance for up to 10 mTurbo scroll button: hold on to the button and slide up or down to activate turbo scrollsystem requirements:- Windows Vista/XP/2000- CD/DVD-ROM for software installation- available USB portpackage content:- Navigator T835 Laser- micro USB receiver- two AAA alkaline batteries- CD with driver for Windows- multi-language user’s manualspecifications:- interface support: USB- system support: Windows Vista/XP/2000- RF frequency: 2.4GHz, working distance up to 10 m- resolution: 1600 dpi laser engine- batteries: two AAA alkaline- laser pointer- innovative air cursor movementnumber of buttons: 11- left, right button + touch control with middle button function- two turbo scroll buttons- previous page, next page, Esc, play (F5)- laser pointer- mode switch between mouse- and presenter- function- dimensions: mouse: 101x50x25 mm / receiver: 20x15x7 mm- gift box size: 163x165x63 mm- body weight: mouse 73g / receiver: 2g- pcs./ctn.: 10- Genius item-no.: 31030508100- EAN: 4710268226550