Specification: Product Name: Bluetooth Wireless Keyboard Interface Type: Bluetooth/USB Battery: 2 x AAA (NOT Included) Styles: with Touchpad, without Touchpad (Optional) Color: Black Item Size: 37.4*15.8*1.8cm/14.72*6.22*0.70in FN+1: Bluetooth FN+2: Bluetooth FN+3: 2.4G Receiver Features: Work Anywhere Anytime: Take this lightweight wireless keyboard anywhere in your home or onthego to work in your favorite cafe. Type wherever you like thanks to the portable, minimalist layout. Laptopstyle Typing: The lowprofile keys have scooping that matches the shape of your fingertips, providing a fluid, quiet and familiar laptoplike typing experience. Giving you all the keys you need, while saving space on your desk. Wide Compatibility: Suitable for smart phone, tablet pc, which has BT function, stable and fast connection. With included 2.4GHz USB adapter, plug and play, 2.4GHz wireless connection is suitable for laptop and notebook use. Builtin Touchpad: The builtin touch pad allows you to operate computers and other devices without a mouse, making it very convenient. (Only Touchpad Version keyboard has touchpad.) AAA Batteries Powered: It gets long life out of the two AAA batteries (NOT included, please buy in addition). No need to change the batteries frequently. Matte texture, antibreak and wear resistance, can provides long service time. Package includes: 1 * Wirlessless Keyboard 1 * Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.