MX Keys Combo for Business Wireless Keyboard and Mouse, 2.4 GHz Frequency/32 ft Wireless Range, Graphite-(LOG920009292)

Wireless connection via Logi Bolt USB receiver or Bluetooth Low Energy Wireless Technology Logi Bolt is Security Mode 1, Security Level 4 and the Logi Bolt USB receiver is pre-paired out-of-box Rechargeable with Li-Po batteries that can be used while charging (USB-C charge port) Switch between up to three paired computers using Easy-Switch button/keys Logitech Flow cross-computer and OS control and file sharing Pair up to six Logi Bolt products with one Logi Bolt receiver MagSpeed Electromagnetic Scroll Wheel scrolls 1,000 lines per second with nearly silent, ultra-quiet scrolling Logitech Darkfield sensor tracks on virtually any surface, even glass, with best-in-class 4,000 dpi precision Hand proximity sensors turn the backlighting on and ambient light sensors adjust backlight brightness Microphone mute, talk-to-text and other customizable F-Keys