Features‎:‎‎- 3 adjustable levels DPI‎:‎ 1000‎,‎ 1600 and 2000‎- Breathing indicator light with 3 levels brightness‎- No light‎:‎ 1000DPI‎- Medium brightness‎:‎ 1600DPI ‎- High brightness‎:‎ 2000DPI ‎- 6 buttons with scroll wheel‎- Wired connection‎,‎ durable nylon braided cable and metal plated interface for long‎-lasting use and better performance of the mouse ‎- 10 million click durability ‎- Ergonomic curved design for comfortable hand feeling‎- Compatible with Windows XP / Vista / Win 7 / Win 8‎- Cable length‎:‎ 1.8m Tracking Method‎:‎ Optical Type‎:‎ Wired 0.267 Package weight‎:‎ 0.305 kg Product Size‎(‎L x W x H‎)‎‎:‎ 12.30 x 8.30 x 4.30 cm / 4.84 x 3.27 x 1.69 inches Package Size‎(‎L x W x H‎)‎‎:‎ 20.50 x 15.00 x 6.00 cm / 8.07 x 5.91 x 2.36 inches Package Contents‎:‎ 1 x Wired Gaming Mouse