Multi-device wireless keyboard: beautiful type-on-everything keyboard for any computer, tablet and smartphone via USB or Bluetooth smart wireless connection Type and switch between devices: Type on up to three devices and switch between them at the touch of an easy-switch button Comfortable typing: full size, fully equipped keyboard with large, quiet keys and convenient Number pad Integrated phone and tablet stand: Holds your devices at the perfect angle to Type and read Two year battery life: virtually eliminates the need to change Batteries (based on an estimated two million keystrokes/year. User experience may vary.)