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Honk honk! Better flick on your turn signal and pull over for this sweet gadget. The CB Radio iPhone Handset from ThinkGeek is a great gift idea for the fun-loving prankster on your list.
The handset plugs in to any smartphone with a 3.5 mm headphone jack. Use the answer and hang up buttons to tune in to real phone conversations, and then flick the mute button for a more realistic CB radio experience. Plus, it has a belt clip, so you can roll like a real trucker.
But remember, this handset doesn't count as "hands-free," so please remember to obey all local laws regarding safe driving. You should probably take this baby out for a stroll, anyway. It's best to let a gadget like this shine in all its geeky glory.