100% Basic Brand and High Quality!
Features:

    Mini adapter Plug and play

    Wireless transmission， the longest sensing distance up to 10-15 meters

    Portable and weight light， very convenient to carry and store

    Power switch for save power

    Up to 10 meters of operating distance

    Resolution:800-1600CPI converstion

Power Supply: 1 x AA Battery(Not included)

    Mouse type: Wireless Optical Mouse

    Interface: USB

    Size:101x58x38 (LxWxH) mm

    Color:Black

Package include:

    1 x 2.4GHz Wireless Portable Optical Mouse and Instructions and Reciever