Hex has rolled out its new Stealth case for the iPhone 4 and iPhone 4S. The Stealth is a snap-on style case that features a hidden, shielded, RFID-friendly internal storage compartment that allows for use of a contactless payment or transit card without the need to remove it from the case. It also features raised corners for screen protection, and open access to all ports, controls, and cameras. Hex’s Stealth case for the iPhone 4 and iPhone…