Product code: BRAND NEW MX KEYS MASTER hot SERIES BY LOGITECH
Dual connectivity: connect via the included USB receiver or Bluetooth Easy-Switch keys to connect up to 3 devices and easily switch between them 10- hot meter wireless range Hand proximity sensors that turn the backlighting on Ambient light sensors that adjust backlighting brightness USB-Rechargeable. Full charge lasts up to 10 days. 5 months with the backlighting off On/Off Power Switch Caps lock and battery indicator lights Compatible with Logitech Flow- Enabled Mouse Factory sealed in box.
Dual connectivity: connect via the included USB receiver or Bluetooth Easy-Switch keys to connect up to 3 devices and easily switch between them 10- hot meter wireless range Hand proximity sensors that turn the backlighting on Ambient light sensors that adjust backlighting brightness USB-Rechargeable. Full charge lasts up to 10 days. 5 months with the backlighting off On/Off Power Switch Caps lock and battery indicator lights Compatible with Logitech Flow- Enabled Mouse Factory sealed in box.