This wireless pen mouse is more lightweight and flexible to control comparing to normal mouse.Ergonomic design with 4 buttons, comfortable to grip and use.Plug and play, with on need of any driver installation.DIP available for 800/1200/1600, free to adjust.Compatible with PC computer, smart TV, set-top box, etc.Type: Wireless Pen MouseMaterial: ABS + SiliconeButton Numbers: 4 KeysAdjustable DPI: 800/1200/1600DPISwitch Life: about 5,000,000 TimesCurrent: 1.5V 15mARF Frequency: 2402MHz-24080MHzPower Supply: 1 x AAA Battery (Not Included)Applicable Devices: for PC, for Smart TV, for Set-top BoxSupport Systems: for Window 2000/XP/Vista/7, for Android, for Mac OS, etcFeatures: Universal, On/Off Switch, Flexible Control, Easy to Use, Ergonomic ShapeSize: 14.5cm x 2.2cm x 1.5cm/5.71" x 0.87" x 0.59" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wireless Pen Mouse1 x Receiver1 x User Manual