Adesso 2.4 GHz Wireless Ergonomic Trackball Keyboard Giorgio Armani Operating System: Windows® 2000 Operating System: Windows® 2000 XP Vista 7 8 10 Base Note: Sandalwood oil and patchouli add creaminess and sensuality to the dry down 4 GHz Wireless Ergonomic Trackball Keyboard Product Line Tru Form Brand Name Adesso Keyboard Keypad Hot Keys Email Forward Home Music Eject Calculator Back Wake up Volume Up Volume Down Sleep Search Refresh Previous Track Power Play Pause Next Track My Computer Mute Keys Layout QWERTY Localization English (US) Keyboard Keypad Features Split Layout Keyboard Keypad Connectivity Technology Wireless Keyboard Keypad Wireless Technology RF Keyswitch Technology Membrane Keyboard Keypad Wireless Operating Distance 30 ft Wireless Operating Frequency 2 536 different IDs