http://www.sz-wholesale.com/rss/USB-Sound-Optical-Mouse.xml USB-Sound-Optical-Mouse,Wholesale USB-Sound-Optical-Mouse en-us Global Wholesale and Distribution Center http://www.sz-wholesale.com/p/USB-Sound-Optical-Mouse/USB-Sound-Optical-Mouse-46091.html SPEC:Frequency response:100HZ-18KHZ S/Nratio:greater than and amount85dbDistortion:less than and amount 5% Rating:5v-300mAPower:800mwOperation guide1. Insert the USB plug of the mouse to the computer USB plug which connect the computer.2. With the USB automatic detection system, the computer can automatically detectand recognize the mouse .No additional driver installation is required.3. After successful installation of the mouse, user may browse conveniently with the right and left click buttons and scroll up and down with the center button.4. To activate the audio function of the mouse (with USB audio device compatible computer), and function should pop-up after installation in point.5. By opening, the audio function would be activated. Please refer the following for details.6.User may apply different audio frequently broadcast software to control and adjusts the volume and frequencies at your choice. USB Sound Optical Mouse Wholesale,