Brand AULA Model Killing the soul Quantity 1 Color Black Material ABS Connection Method Wired Bluetooth Version 1 Connection Type USB Cable Length 1.5m cm Tracking Method Optical Resolution 800 1200 1600 2000 dpi Power Supply USB Supports System Windows ME / Windows 2000 / XP / VISTA / 7 Other Cool and ergonomic; Multimedia dual mode can be shifted as you wish; 7D key buttons convenient; 500~1000Hz return rate; Strong firepower key / IE shortcut key; Gold plated USB great response sensitivity ensuring stable signal transmission; ALWAYS-ON mode Packing List 1 x Mouse 1 x Chinese / English user manual