The wireless mouse supports wireless transmission, and the longest sensing space can reach 10 meters.It is connected by a USB receiver.With the ergonomic design, it is comfortable to use.Item Name: Wireless MouseMaterial: ABSDPI: 800/1200/1600dpiTransmission Space: 0-10m/393.7" (Approx.)Compatible Systems: For Windows 98 SE/SME/2000/SXP/2003, for Mac OSInterface: USBBattery: Built-in Lithium Battery (Included)Transmission Frequency: 2.4GHzFeatures: Wireless, Comfortable, PortableSize: 10.8cm x 6.3cm x 2cm/4.25" x 2.48" x 0.79" (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 Cable