Recommended usage: Office Connectivity technology: Wireless Device interface: RF Wireless + Bluetooth Keyboard key switch: Scissor key switch Keyboard layout: QWERTY Keyboard language: Nordic Pointing device: N Keyboard form factor: Full-size (100%) Numeric keypad: Y Multi-device support: Y Windows keys: Y Hot keys: Y Number of hot keys: 15 Frequency band: 2.4 Bluetooth version: 5.1 Security algorithms: 128-bit AES Backlight: Y Adjustable keyboard height: Y Product colour: Graphite Surface coloration: Monochromatic LED indicators: Keyboard low battery Wireless range: 10 Power source type: Battery Keyboard battery type: Built-in battery Battery technology: Lithium-Ion (Li-Ion) Battery capacity: 3000 Service life of battery: 20 Charging source: USB Type-C USB Type-C charging port: Y USB Type-C required charging power (min): 3.25 USB Type-C required charging power (max): 15 Mouse included: N Windows operating systems supported: Y Mac operating systems supported: Y Linux operating systems supported: Y Mobile operating systems supported: Android,iOS Operating temperature (T-T): 0 - 40 Storage temperature (T-T): -40 - 65 Storage relative humidity (H-H): 20 - 90 Keyboard dimensions (WxDxH): 121.5 x 439.55 x 20.7 Keyboard weight: 730 Number of products included: 1 Receiver included: Y Wireless receiver interface: USB Type-A AC adapter included: N