Features:1. Ergonomic design.2. Professional optical positioning technology.3. Smart mini receiver, automatic connection.4. Up to more than 16 million ID code designs.5. Flexible 360° operating angle, up to 10 meters of control distance.6. Unique intelligent circuit management design makes the mouse more power efficient.7. 800-1600DPI Resolution adjustable frequency.8. 300W clicking times available, Long service life time.9. Adopt the latest infrared lighting technology.10. Support system for Windows2000/XP/Vista/Linux/7/MAC.Specifications:Size: Approx. 11.3*7*4cm/4.45*2.76*1.57inInterface: USBColor: Blue Gold OptionalBattery: AAA Battery*2 (Not Included)Wireless transmission distance: ≥10mWireless carrier frequency: 2402MHz-2480MHzWireless working channel: 16 automatic frequency hoppingRated operating current: 8-15mAh 3VButton stroke: 0.8mmButton strength: 60-70±10gKey service life time: 3 million timesPackage List:1 * Mouse(No Battery) 1 * Receiver