SPEC: Frequency response:100HZ 18KHZ S/Nratio:greater than and amount85db Distortion:less than and amount 5% Rating:5v-300mA Power:800mw Operation guide 1. 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 detect and 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.