Logitech K580 Unifying Slim Easy Switch Multi-Device Wireless Keyboard - 18 months Battery Life, Mac/iOS/Andriod/Windows, Bluetooth + USB - Graphite WORK SEAMLESSLY WITH EASY-SWITCH??A computer keyboard that also works with your smartphone and your tablet. The Easy Switch buttons let you switch typing between two devices with the same keyboard. Start typing a report on your computer, then switch to type a message on your phone ??which can be placed in the built-in phone cradle for better multitasking. Specs & Details USB Receiver Dimensions: 14.4 x 18.7 x 6.7mm Weight: 2g Keyboard Dimensions: 143.9 x 373.5 x 21.3mm Weight (with batteries): 558 g (including battery) Slot Dimensions: 11 x 175.7 x 10.3mm - with a hook that holds the phone at 6.2 mm from the bottom Technical Specifications Battery life Keyboard: 18 months Battery type: 2AAA (included) Wireless operating distance: 10 m 1Wireless range may vary due to environmental and computing condition Wireless technology: Logitech Unifying??Receiver or Bluetooth low energy technology Unifying ready receiver: Yes Warranty Information: 1-Year Limited Hardware Warranty System Requirements Unifying??Receiver Available USB port required Windows? 10,11 or later macOS 10.10 or later Bluetooth Bluetooth low energy technology is required Windows? 10,11 or later macOS X 10.10 or later iOS 5 or later iPadOS 13.4 or later Android 5.0 or later Works with Surface Contents: Keyboard 2 AAA batteries (pre-installed) Unifying USB receiver User documentation