E ‎- BLUE EMS109 6 Keys USB Wired Optical Gaming Mouse Adjustable 1600DPI Support Windows XP / Vista / 7Main Features‎:‎● Cool colorful LED light gives you a great visual effect● Ergonomic design fits your palm to the maximum extent‎,‎ give best comfort and support of long time use for each day● Plug and play‎:‎ Intelligent connectivity‎,‎ install in seconds● Buttons‎:‎ 6 buttons with scroll wheel ‎(‎ two side‎-buttons and one DPI button ‎)‎● Two side‎-buttons‎:‎ Frontward and back buttons‎,‎ you can free to move forward or back when you browse the pages and folders ● Adjustable DPI button‎:‎ You can optionally adjust the sensitivity and resolution of the mouse according to your need Brand‎:‎ E‎-BLUE Model‎:‎ EMS109 Type‎:‎ Mouse Features‎:‎ Gaming Color‎:‎ Black‎,‎Blue‎,‎Red‎,‎White Resolution‎:‎ 1600DPI‎,‎400DPI‎,‎800DPI System support‎:‎ Windows 2000‎,‎Windows 7‎,‎Windows 98‎,‎Windows ME‎,‎Windows NT‎,‎Windows XP Interface‎:‎ Wired Connection‎:‎ USB2.0 Power Supply‎:‎ USB Port Package weight‎:‎ 0.262 kg Product size ‎(‎L x W x H‎)‎‎:‎ 12.90 x 6.40 x 3.90 cm / 5.08 x 2.52 x 1.54 inches Package size ‎(‎L x W x H‎)‎‎:‎ 15.20 x 10.90 x 4.80 cm / 5.98 x 4.29 x 1.89 inches Package Contents‎:‎ 1 x E ‎- BLUE EMS109 6 Keys Wired LED Optical Gaming Mouse