Estimated Delivery : 8 ~ 10 business days, Free shipping Features: - CONCAVE KEYS: The keyboard keys are designed as retro circular depressions, which fit the fingertips and provide a comfortable key touch - WIRELESS TRANSMISSION: Get rid of the shackles of traditional wired keyboards, and ensure 8M transmission distance through wireless 2.4G stable transmission - POWERFUL COMPATIBILITY: The package is fully compatible with a variety of devices including laptops and desktop computers, and can also be used with Mac and Windows - ENERGY SAVING: adopt innovative energy-saving technology that subverts the tradition, and use market increase to bid farewell to the trouble of frequent battery replacement Specifications: Category: Smart Device Name: Wireless Keyboard & Mouse Set Colour: Black Weight: 640g Keyboard Dimension: 44*15*2.5CM Mouse Size: 10.4*6.4*3.4cm Battery: AA Batteries*2(Not Included) Package Included:1 x Wireless Keyboard & Mouse Set