Ightweight and contoured design] - designed to fit naturally in your hand and support multiple grip styles, the upper-surface features a fine textured finish, to provide a slip-free experience for ultimate control. [7 programmable buttons] - 7 programmable buttons enable superior productivity and efficiency to meet all your gaming needs. it is an optimal choice in the office, library, dormitory or wherever you like [excellent gaming performance with 3200 dpi] - philips gaming mouse with default 4 dpi levels available from 1200 to 3200 dpi. easily adjust to instantly match mouse speed to different games [reliable quality] - philips pc gaming mouse, 5 million clicks lifespan, buttons with neat rebound and good feedback. [control your game] - instantly switch between six setting to quickly respond to your gaming demands for