Specifications: The wireless mouse supports wireless transmission, and the longest sensing space can reach 10 meters. It is lightweight and portable, which is convenient to carry. The wireless mouse is connected by a USB receiver. It is an ideal companion for laptops in the home or office. Item Name: Wireless Mouse Material: ABS DPI: 1200 Wireless Transmission Space: 0-10m/0-393.7" (Approx.) Compatible Systems: For Windows 98 SE/SME/2000/SXP/2003, for Mac OS Interface: USB Battery: 1 x AA Battery (Not Included)/Built-in Rechargeable Battery Wireless Transmission Frequency: 2.4GHz Features: Wireless, Portable, Rechargeable, Comfortable to Use Size: 11cm x 6cm x 2.6cm / 5.43" x 3.15" x 1.54" (approximately) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Battery Model: 1 x Wireless Mouse, 1 x Receiver, 1 x User Manual (Battery Not Included) Rechargeable Model: 1 x Wireless Mouse, 1 x Receiver, 1 x Charging Cable, 1 x User Manual