Here is the next generation of the popular Micro Traveler family from Genius. Experience the most mobile and super mini size laser notebook mouse on the market today. Featuring an advanced 1600 dpi laser sensor, Micro Traveler 900LS uses an advanced laser engine for high tracking precision and more accurate control using less surface, so you can browse documents or Internet pages effortlessly. Plus the super mini size and light weight design is ideal for any mini notebook. Micro Traveler 900LS has a super small Pico dongle and you can easily place it inside the mouse for travel. It uses 2.4GHz digital cordless technology for a longer range of working distance (up to 10 meters away) compared to traditional wireless devices, and delivers interference-free operation. Maximum dpi: 1600 dpi Operating System Supported: Windows 7 Windows Vista Windows XP Windows 2000 Mac OS X10.2.8 or later Parts: 1 year limited Labor: 1 year limited