RAPOO X1960 Wireless Mouse and Keyboard Combo with Palm Rest - 1000DPI, Wireless 2.4G, 10m Range, Spill Resistant, Plug-and-Play 1 Year Battery Life  2.4G Wireless with 10m working range  1000DPI tracking engine  Multi-media hot keys  Membrane keyboard with 5 million times of key lifetimes  Palm rest and Spill resistant design  12-month batter life  Plug-and-play Nano receiver  Dimension_ 459.7 x 185.9 x 22.8mm (K/B), 111.4 x 63.8 x 39.8mm (Mouse)