DELL KM3322W keyboard Mouse included RF Wireless US International Black

Wireless range: 10 m Backlight: No Product colour: Black Adjustable keyboard height: Yes Wrist rest: No Keyboard style: Straight Power source type: Battery Number of batteries (keyboard): 2 Keyboard battery type: AAA Operating temperature (T-T): -10 - 50 °C Storage relative humidity (H-H): 0 - 95% Storage temperature (T-T): -40 - 65 °C Keyboard dimensions (WxDxH): 449.2 x 123 x 25.3 mm Mouse weight: 57.8 g Mouse dimensions (WxDxH): 58.32 x 104.9 x 38.87 mm Keyboard weight: 497.12 g Mac operating systems supported: Yes Other operating systems supported: ChromeOS, DOS Mobile operating systems supported: Android Windows operating systems supported: Windows 8.1 Linux operating systems supported: Yes Batteries included: Yes Number of products included: 2 pc(s) Number of batteries (mouse): 1 Scrolling directions: Vertical Movement resolution: 1000 DPI Scroll: Yes Movement detection technology: Optical Buttons type: Pressed buttons Form factor: Ambidextrous Mouse battery type: AA Scroll type: Wheel Mouse included: Yes Buttons quantity: 3 Frequency band: 2.4 GHz Keyboard form factor: Full-size (100%) Pointing device: No Device interface: RF Wireless Keyboard language: US International Recommended usage: Office