JNL-101K Noiseless USB Optical Gaming Computer Wheel Mouse 1600 DPI Super Quiet Black Silent

Adjustable DPI: 800 / 1200 / 1600 dpi DPI values are changed from 4 steps to 3 steps from Mar 2019 101K Silent Mouse Click 337dB Wheel is not silent Second hand sound 20dB Leaf bump sound 20dB Whispering sound 30dB library 40dB JSCO noiseless mouse 101K is the steady seller among the noiseless mouse It is very useful at library and school and university The mouse click sound is quieter than the keyboard click sound that you are using The mouse driver is auto-detected by windows but if you use windows 2003 it may require installing the universal mouse driver HID standard mouse The scroll wheel is not noiseless if you use the scroll wheel frequently you can set the wheel frequently you can change the mouse setting in control panel The default value of the number of lines to scroll is 3 lines If you change the value over 3 you can easily scroll the screen with little movement silently'