Alternate color or configuration shown DELL KB900 keyboard RF Wireless Black DELL KB900. Keyboard form factor: Full-size (100%), Device interface: RF Wireless, Recommended usage: Office. Product color: Black Manufacturer: DELL SKU: 7220074 Manufacturer part number: KB900-GR-US GTIN: 0884116448754 MSRP: $137.49 Price: $114.65 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Specifications Contact Us Products specifications Attribute name Attribute value Battery Capacity 3000 mAh Bluetooth version 5.1 Recommended usage Office Charging source USB Type-C Mouse included N Pointing device N Device interface RF Wireless Numeric keypad Y Windows keys Y Keyboard form factor Full-size (100%) Backlight Y Keyboard dimensions (WxDxH) 4.78 x 17.3 x 0.815" Keyboard weight 25.7 oz Hot keys Y Number of hot keys 15 Wireless range 393.7" Service life of battery 20 month(s) Keyboard battery type Built-in battery Technical details Product color Black Packaging data Number of products included 1 pc(s) Operational conditions Operating temperature (T-T) 0 - 40 °C Storage temperature (T-T) -40 - 65 °C Storage relative humidity (H-H) 20 - 90 % Power Power source type Battery Features Linux operating systems supported Y Performance Surface coloration Monochromatic Battery Battery technology Lithium-Ion (Li-Ion) System requirements Windows operating systems supported Y Mac operating systems supported Y Software Mobile operating systems supported Android, iOS Wireless LAN features Frequency band 2.4 GHz Products specifications Attribute name Attribute value Battery Capacity 3000 mAh Bluetooth version 5.1 Recommended usage Office Charging source USB Type-C Mouse included N Pointing device N Device interface RF Wireless Numeric keypad Y Windows keys Y Keyboard form factor Full-size (100%) Backlight Y Keyboard dimensions (WxDxH) 4.78 x 17.3 x 0.815" Keyboard weight 25.7 oz Hot keys Y Number of hot keys 15 Wireless range 393.7" Service life of battery 20 month(s) Keyboard battery type Built-in battery Technical details Product color Black Packaging data Number of products included 1 pc(s) Operational conditions Operating temperature (T-T) 0 - 40 °C Storage temperature (T-T) -40 - 65 °C Storage relative humidity (H-H) 20 - 90 % Power Power source type Battery Features Linux operating systems supported Y Performance Surface coloration Monochromatic Battery Battery technology Lithium-Ion (Li-Ion) System requirements Windows operating systems supported Y Mac operating systems supported Y Software Mobile operating systems supported Android, iOS Wireless LAN features Frequency band 2.4 GHz