Razer Basilisk Ultimate Gaming Mouse - High-Speed Wireless, 11 Buttons, Tilt Switch, Focus+ Sensor, 20000 DPI, Charging Stand Included, Chroma RZ01-03170100-R3A1, Black Includes one extra charging cable. Sometimes the click below the mouse wheel chatters. The rubber parts have deteriorated, so they have been removed. A new one will be included (unofficial). It has been wiped with alcohol, but fine dust may not be completely removed.