Smart Backlighting - Hand proximity sensors turn the backlighting on. Ambient light sensors adjust backlight brightness Perfect Stroke Keys - Quiet, fluid and precise, spherically dished Logitech DarkfieldTM sensor tracks on virtually any surface, even glass with best-in-class 4000 DPI precision Wireless with 2 ways to connect: Logi Bolt USB receiver, Bluetooth® Low Energy Wireless Technology Switch between up to 3 paired computers using EasySwitch™ keys Hotkeys for personalization and custom shortcuts Built for scale - Globally available and certified in 100+ countries, 2-year limited hardware warranty, support for IT professionals and business users Six customizable buttons Wireless with two ways to connect: Logi Bolt USB receiver, Bluetooth® Low Energy Wireless Technology Rechargeable Li-Po (1500 mAh, 500mAh) battery. Battery life: 10 days on a full charge for keyboard and 70 days
