• ON-THE FLY DPI SWITCHING
• 3DPI CHOICE 800DPI-1200DPI. Meet the accurance requirements under different display.
• MASSIVE BATTERY LIFE Up to 200 hours of battery life with most standard batteries. Never worry about running out of power in the middle of an assignment, work or browsing the web.
• LESS NOISE AND MORE FOCUS: Work silently without interrupting those around you.
• W190's silent button allow for easy work regardless of your environment
• Curved shaped with rubber grip
• Comfortable and supportive for your hand to keep you going for as long as you like.
• Connect the way you like