24 Month Battery Life for Logitech K580 Slim Multi-Device Wireless Bluetooth/USB Receiver for Laptop, Tablet, Smartphone, and Desktop AR/EN: Personal. YOU. AREA The ultra-thin and design-forward K580 Slim Multi-Device keyboard is ideal for typing ideas on your computer and switching to writing text on your smartphone, adding a modern touch to any space. The perfect partner for your daily multitasking. Important Features MODE