Specification:1. Brand: HSXJ2. Product model: H4003. Button: 64. DPI: 32005. Switch life: 10million cycle6. Item weight:137g7. Item size: 128*65*39MM(L * W * H)8. Package size: 155*121*46MM(L * W * H)Features:1. HXSJ macro definition programming competitive gaming mouse, with 6 programmable keys.2. Adopt  human body engineering design.3. Cool LED variable light effect.4. DPI default 4 segments.Tip:If you want to quickly turn off the breathing light, press and hold the side key (forward or back key), and then press and hold the dpi button, you can quickly turn off the breathing light.Note: The mouse settings macro before the mouse, the function is factory settings, restoring the breathing light is also the same operation.The custom driver download and use:1. Insert the driver CD to computer, and run the "setup.exe" installer.2. The installation can be started when the mouse is successfully connected and in normal use.3. When the installation is completed, "H400" drive icon appears on the desktop.4. Basic Setting, Advanced Settings, Breathing LED Settings available.5. In Basic Setting, custom settings are supported in drop-down list of each button.6. In Advanced Setting, the macro editing is supported and the macro catalog can be added or deleted.7. In Breathing LED Setting, long light, light-off and change of DPI defined light are supported.8. When settings done, click Application, and click Save the Configuration. You should boot the driver again when next use so that all the self-defined functions can be used.Package included:1 * HXSJ H400 3200 DPI 6 Button USB Wired LED Variable Light Gaming Mouse