Interface 2.4Ghz (USB-A Unify USB receiver), Bluetooth Layout Compact with Numpad Switch Scissor Backlit No Customization Logitech Option+ Hot-swappable No Detachable Cable No Battery 2 x AAA battery up to 24 months Tech Specs Dimensions USB Receiver Height: 14.4 mm Width: 18.7 mm Depth: 6.1 mm Weight: 2 g Keyboard Dimensions Height: 143.9 mm Width: 373.5 mm Depth: 21.3 mm Weight (with batteries): 558 g (including battery) Slot Dimensions Height: 11 mm Width: 175.7 mm Depth: 10.3 mm - with a hook that holds the phone at 6.2 mm from the bottom Technical Specifications Battery life Keyboard: 24 months Battery type: 2AAA (included) Wireless operating distance: 10 meters 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 Part Number Off-white English : 920-009211 Graphite English : 920-009210 Rose English : 920-011329 Compatibility Unifying™ Receiver Requires an available USB port Windows® 10,11 or later macOS 10.15 or later Bluetooth Low Energy Wireless Technology Required : Bluetooth Low Energy Windows 10,11 or later macOS 10.15 or later Linux 2Device basic functions will be supported without software for systems other than Windows® and macOS. ChromeOS 3Device basic functions will be supported without software for systems other than Windows® and macOS. iPadOS 14 or later 4Device basic functions will be supported without software for systems other than Windows® and macOS. iOS 14 or later 5Device basic functions will be supported without software for systems other than Windows® and macOS. Android™ 8.0 or later 6Device basic functions will be supported without software for systems other than Windows® and macOS. Works with Surface Internet connection (for recommended Logi Options+ software download) In The Box Keyboard x 1 AAA batteries (pre-installed) x 2 Unifying USB receiver x 1 User documentation x 1