Moshi Moshi 03i

Essentially turning any iPhone into a cordless landline, this alluringly dangerous-looking Bluetooth-enabled charging dock takes calls via a wireless handset, which both expands your talking area (by letting you leave the cradle at the strongest signal location while you roam) and reduces radiation, which is probably for the best, as no amount of exposure to it will turn your cell into a (Fantastic) 4G.