Features: 1. Engineering design, stylish appearance, and comfortable feel. 2. Optical positioning, positioning is more accurate. 3. Smart mini receiver, automatic connection, no need for complicated code matching. 4. Up to 16 million ID coding designs to enhance the anti-interference characteristics of the mouse; 5. Any 360 around the use angle, as far as the control distance of about 10 meters; 6. Circuit management design, making the mouse more power-saving; 7. Resolution 800-1600dpi adjustable frequency, enjoy your wireless free space; 8. System requirements: Windows2000/XP/Vista/Linux/7/ and MAC operating system 9: Silent design of left and right keys, more quiet. Specification: 1. Wireless transmission distance: about 10m 2. Wireless carrier frequency: 2402MHz-2480MHz 3. Wireless working channels: 16, automatic frequency hopping 4. Keystroke: 0.8mm 6. Keystroke force: 60-70±10g 7. Key lifetimes: 3 million times Package Includes: 1 x Wireless Mouse 1 x USB Receiver 1 x Charging Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia