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Compared with Frē, Obex is a bit shorter but has otherwise similar dimensions. Its two halves snap together over the front and back of the iPhone, using a central O-ring to create an airtight seal. Along the back, the top and bottom edge are raised; Seidio claims this is not only to provide a secure grip, but also to help absorb shock. The front is protected by raised plastic around the bezel, which includes coverage around the earpiece, sensors,…
