Brand New. Ships SAME business day USPS Priority. AI enabled MX Keys S by logitech compatible with both Mac and Windows. Best wireless keyboard on the market. Technical Specifications: MX Keys S Rechargeable Li-Po (1500 mAh) battery Full charge lasts up to 10 days with predefined settings or up to 5 months with backlighting off ? Connect via Bluetooth low energy technology or the Logi Bolt USB Receiver ? Easy-switch keys to connect up to three devices and switch between them at the push of a button Hand proximity sensors that turn the backlighting on Ambient light sensors that adjust backlighting brightness USB-C rechargeable. Full charge lasts 10 days – or 5 months with backlighting off In the box: Keyboard Logi Bolt USB receiver USB-C charging cable (USB-A to USB-C) User documentation Automate repetitive tasks Smart Actions on the Logi Options+ App allows you to skip repetitive actions by automating multiple tasks with a single keystroke. Multi-device multi OS Easily switch between up to 3 devices at the push of a button. Compatible with Windows, macOS, ChromeOS, Linux, iPadOS.