FSTYLER 2.4GHz Power Saving Multimedia Wireless Combo Set, Ultra Sleek and Thin, Round Sqaure Keycaps, Durable Fonts, Drain Holes Design, 3-Level Adjustable DPI, 1000- 1600-2000 DPI, Anti Slippery Side, 8-in One Gesture, 4-Way Smart Wheel, Up to 12 Months Battery Life.