PHILIPS SPK7314 Wireless mouse RE Ursa manual English (0) Left hey (3) optical sensor @ wight key (3) Battery compartment 30 wheal Prick description + Streamline curve, simple and beautiful + Rubber roller, soft touch, + Ergonomic appearance design, comfortable hand, reduce hand fatigue. + Accurate Crossing, maximum acceleration: 106. Highest returns; 250Hz. Plug and play ‘The wireless mouse sports plug and play, The computer will detect the mouse automatically after connecting.