Collaborate effortlessly the innovative touch controls for zoom let you let you mute and unmute your microphone, toggle video on and off, share your screen and bring up the chat panel by double tapping on the icons. You can swipe left or right across the icons to enable or disable them during a meeting and, once the meeting ends, the icons disappear from the keyboard. Intelligent illumination smart backlighting with hand proximity detection lights up the keys as you get close, helping you to work better in any environment. Turns off in brighter conditions to conserve battery power. Ultra quiet typing get optimal type feel without the noise thanks to the scissor switch key design. Engineered to be satisfying and silent at the same time. Long lasting operation battery lasts up to twenty days on a single charge. Seamless and secure connectivity the dual mode rf 2.4 ghz and bluetooth 5.1 connectivity lets you effortlessly connect and switch with up to 3 devices two connections via bluetooth and one connection via rf dongle. What's in the box dell premier kb900 keyboard usb wireless receiver usb c to usb c cable software