. Specs & Details Dimensions MX Keys Keyboard Height 5.18 in (131.63 mm) Width 16.94 in (430.2 mm) Depth 0.81 in (20.5 mm) Weight 28.57 oz (810 g) Unifying USB Receiver Height 0.72 in (18.4 mm) Width 0.91 in (23.1 mm) Depth 0.26 in (6.6 mm) Weight 0.07 oz (2 g) Palm Rest Height 2.52 in (64 mm) Width 16.54 in (420 mm) Depth 0.31 in (8 mm) Weight 6.35 oz (180 g) Technical Specifications Dual connectivity Connect via the included Unifying USB Receiver or Bluetooth low energy technology Easy-switch keys to connect up to three devices and easily switch between them 10 meters wireless range Hand proximity sensors that turn the backlighting on Ambient light sensors that adjust backlighting brightness USB-C rechargeable. On/Off power switch Caps Lock and Battery indicator lights Compatible with Logitech Flow enabled mouse Customization software Logi Options+ Part Number Black English Keyboard only  920-009416