4d wireless mouse 1), optical mouse 2), 1000 DPI 3), usb Mini adapter. Item No.: FBO0034d wireless mouse Feature:1), Two-way both distance and speed are adjustable. power dawn and key locks when device wakes up are available which give power saving2), battery status indicator tells when the battery is running low3), Easily and quickly to encode the folder for security4), 2.4GHz transmission and ...