Ergonomic Wireless Keyboard Wireless ergonomic keyboard is equipped with adjustable height tilt legs to increase comfort and prevent your wrists injury when typing for a long time. The full-size wireless keyboard with numeric keypad and 12 multimedia shortcut keys, such as play/ pause, volume increase and decrease, and email, to help you improve work efficiency 2.4Ghz Stable Wireless ConnectionStable and reliable connection of this wireless keyboard is up to 10m(33ft). This keyboard no need to take upadditional USB ports. Plug and play, no software needed, convenient and efficient Comfortable Keyboard This compact lightweight wireless Keyboard features a hand-friendly contoured shape key for all-day comfort.Built for quality, K258 offers long-lasting keys, a spill-resistant design. Perfect for home & office work and entertainment,Note: The USB receiver is in the battery compartment of the keyboard , you can find it when open the keyboard battery cover Long Battery Li