Feature:1. Plug and play, efficient wireless. Frosted skin friendly surface texture, comfortable non slip without sweat2. USB receiver, compact shape, easy to move around with the laptop, when not in use, can also be stored in the mouse battery compartment.3. 2.4G wireless technology can effectively avoid the signal interference for Bluetooth and WIFI and ensures the stability of wireless transmission.4. Symmetrical curve designs allows both hands to be used, bringing efficient and comfortable grip experience.5. Lifespan up to 3 million times of the left and right button, silicone roller designs, service life up to 350,000 times.6. 1200DPI designs for gamers, ultraaccurate optical sampling technology, 2.4 times higher than the normal optical engine.Specification:Condition: Item Type: Wireless MouseMaterial: ABSColor: Black Model: C900Working Mode: 2.4G wireless transmissionFrequency: 2402 MHZ to 2480 MHZTransmission Distance: 15 metersPower Supply Mode: 1pc AA battery (Not included)Operating Voltage: 1.5VWorking Current: 6mAResolution: 1200DPILife: 3 million timesSystem Requirements: for IBM or compatible computerFor Win 2000/XP (X64) /Vista/Win 7Suitable for USB interface.Package List:1 x Wireless Mouse1 x Receiver 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.