Adesso Tru-Form™Pro -Contoured Ergonomic Keyboard with Built-In Touchpad and Hot Keys. Device interface: USB, Keyboard layout: QWERTY. Cable length: 1.6 m. Certification: FCC Class B/CE. Compatible operating systems: Windows Vista, XP, 2000, ME, 98, Depth: 489 mm, Height: 50.8 mm