USB 2.0 Folding Wireless Optical Mouse for PC Laptop - (Red, 2.4G)

Built-in mouse memory, no recording is needed after battery replacement. 3. Intelligent Power-saving technology, the service life of one alkaline battery is up to six months. Powered by: 2*AAA batteries (not included)4. Intelligent connectivity, no need to code, plug-and-play. 5. Ergonomically designed, comfort grip6. Dormant class and more power-saving hibernation connectionless 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 its 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. Technical spec: 1. RF: 2402MHz-2480MHz2. RF operation channel: 16, automatic frequency hopping 3. Rated voltage: 1.5V/3V4. Rated current: 12-20 mA5. Max. acceleration: 14 ft/Sec Supported Windows XP / 2000 / Vista / Linux /Win 7 / MAC.