The Sensei Wireless is SteelSeries' innovative ambidextrous premium laser mouse designed for the engaged gamer who values trusted Sensei performance and outstanding beauty. Delivering freedom from wires, unparalleled performance, maximum customization and a stand-out-from-the-crowd look, this mouse shows that sometimes beauty is more than skin deep. Max. configurable battery life 20 hrs continuous play; Exact features: Aim, Accel, Lift, Snapping; Configurable - frame rate to 12,000 FPS, CPI to 8,200; 1ms customizable response time - no lag; Illuminated aluminum charging base; Aluminum accent w/ rubberized soft touch; 8 programmable* buttons (incl. CPI).