Additional features on the mouse include illuminated laser etched logo and Pro Grade 8200 CPI Laser Sensor, 150 IPS and 30 G acceleration. Steel Series World of Warcraft Wireless MMO Mouse: * Charging dock that showcases the mouse * Onboard memory for pre-pairing mouse and receiver * Illuminated laser etched logo * Pro grade 8200 CPI Laser Sensor, 150 IPS, 30 G acceleration * Adjustable lift distance * Battery status via LED on mouse and via Steel Series Engine * Extended battery life, with wired option for emergency charging while gaming * 16 hour battery life