Features: 1.Ergonomic design: fashionable in appearance and comfortable hand feeling. 2.Optical positioning technology: Professional optical positioning technology, more accurate positioning. 3.Intelligent mini-receiver, automatic connection, no need for complicated code. 4.Up to more than 16 million ID code designs enhance the anti-jamming properties of the mouse. 5.Arbitrary use Angle of 360 around, and the manipulation distance is up to 10 meters above. specification: 1. Ergonomic design: fashionable in appearance and comfortable hand feeling. 2. Optical positioning technology: Professional optical positioning technology, more accurate positioning. 3. Intelligent mini-receiver, automatic connection, no need for complicated code. 4. Up to more than 16 million ID code designs enhance the anti-jamming properties of the mouse. 5. Arbitrary use Angle of 360 around, and the manipulation distance is up to 10 meters above. 6. The unique intelligent circuit management design makes the mouse more power efficient. 7. Enjoy 800-1600dpi resolution and enjoy your wireless free space. 8. 3 million times click lifespan, better click effect, improved comfort, no noise, quieter. 9. Adopt the latest infrared lamplight technology. 10. System requirements: For Windows2000/XP/Vista/Linux/7/ and MAC operating system. : Material: ABS Color: Yellow, Grey (optional) Wireless Transmission Distance: 10m Wireless Carrier Frequency: 2402MHz-2480MHz Wireless Working Channel: 16, automatic frequency hopping Rated Operating Current: 8-15mA3V Button Stroke: 0.8mm Button Strength: 60-7010g Button Life: 3 million times Photoelectric Resolution: 1200dpi (dpi) Interface: USB Number of buttons: 6 (key) Left and right buttons, pulley (can be pressed), forward and backward buttons (browsing web pages and folders), changing the resolution button (below the pulley) Battery: AAA*2 (without battery) Size: Approx. 10.3 * 6.8 * 3.5 cm/ 4.1 * 2.7 * 1.4 in Weight: 55g Package list: 1 * Mouse 1 * Wireless Receiver Cautions: 1. Operation distance is closely related to the environment. 2. Battery life may be different for personal habit of using mouse. 3. In case of mouse failure, please check battery power and replace it as necessary. 4. The mouse will shut off automatically and enter sleeping mode for saving power when it's not used for a long time. To wake it up, press the right or left button. 5. Never waste the battery and will it in fire. Put battery into battery recycle bin.