RadTech and USBfever have each announced new iPhone 4 cases: the Aero and the Tyre-Look Hard Back Cover. RadTechís Aero is a lightweight and form-fitting case designed to guard the back and sides of a phone while improving grip via a polyurethane surface. Full access is left open for all controls and ports. The case is washable, and like others is said to improve cellular reception. Available colors include black, blue, green, purple and pink.
