STM MagArm - Portable Phone Mount, the smarter way to prop and charge your iPhone via MagSafe. The MagArm is a MagSafe-enabled phone mount that easily attaches to the back of your laptop screen, placing your phone in the same viewing angle as your laptop. The swivel hinge provides the perfect viewing angle, keeping your phone up and out of the way of your busy desktop, even allowing you to charge your phone while suspended above the clutter.