Specification: Brand: Motospeed Model: V5 Chip:avago game chip Swith:OMRON LED backlit: 4 colors breathing light DPI: 500/1250/1750/3500 Material: ABS Button: 7 Interface: Wired Connection: USB2.0 Operating voltage: DC 5V Ergonomics design, suitable for right and left hand user System support: Windows XP,Windows 7,Windows Vista,Mac OS,Windows 2000 Package included: 1 x Mouse Ships in 7 business days. It is shipped from China. Delivery is provided by China Post Air Mail. Delivery time depends on the couriers, local customs in your country also holidays, weather conditions. Usually it takes from 39 to 60 days, depending on the customs at your country.