The wireless mouse is made of aluminum alloy, which is durable to use.3 Gears DPI can be adjusted to meet your demands of games or work.It supports wireless transmission, the longest sensing distance can reach 10 meters.With the ergonomic design, it is comfortable to hold and use.It is lightweight and portable, which is convenient to carry.The wireless mouse is connected by a USB receiver.Item Name: Wireless MouseMaterial: Aluminum AlloyNumber of Keys: 6 KeysInterface: USBBattery: Rechargeable Battery (Included)Compatible Systems: for Windows 98 SE/SME/2000/SXP/2003, for Mac OSFeatures: Wireless, Rechargeable, Comfortable to UseSize: 13cm x 6.8cm x 4cm/5.12" x 2.68" x 1.57" (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 Mouse1 x USB Receiver1 x Charging Cable1 x User Manual