ONIKUMA - CW905 USB Wired Gaming Mouse, 6400 DPI, 7 Buttons, Breathable Design, LED Colors, for Laptop PC Gamer Product Parameters: Default DPI: 800 Green/1600 Pink/2400 Blue/3200Red/4800Cyan/ 6400 yellow Light Color: RGB Working Voltage: 5V Interface: USB Working Current: less than 100MA Cable Length: about 1.5M Weight: about 131g Product Dimension: 125*76*41mm Product Manual: 1. Adjust your DPI speed: 6-speed DPI adjustment, up to 6400 DPI. 2. RGB light: 6 single color breathing lights, each color represents different DPI. 800 DPI Green Breathing Light, 1600 Pink, 2400 Blue, 3200 Red, 4800 Cyan,6400 Yellow. 3Duttons 3.7: Optical Gaming Mouse: Left/Right/Middle/Forward/Backward/DPI+/DPI- . Fast thumb function: fast forward or rewind when browsing the web, fast forward or back in the same folder window. 4. Light switch: press and hold the button, then simultaneously press the "dpi-" button to switch. Matters needing attention: Improper use will damage the mouse, so please pay attention to the following points of use: 1. Avoid using the mouse on low-finish surfaces such as carpets and unfinished wood. 2. Don't bump the mouse. 3. Do not use the mouse in high temperature and strong light. 4. Do not put the mouse into the liquid, the mouse light is on.