HoverBar Duo is a flexible arm that includes a weighted desktop base and adjustable shelf clamp option. Get serious creative work done on your iPad when you go hands-free with HoverBar Duo. Holds iPad or iPhone in infinite positions, heights and angles Includes both weighted desktop stand + shelf clamp Hold iPad at eye-level for FaceTime and video conference calls QuickSwitch Tab allows you to switch between Desktop Base and Adjustable Clamp in seconds