The Baylis Revolution may be overkill for recreational camping, but it's a perfect boredom-buster for globe trekkers, outdoorsmen, and fans of green energy.

The Monster Beats by Dr. Dre Tour In-Ear Headphones offer much in the way of style and sound, but the extra-long earpieces my cause comfort and fit issues for some users.

The Acoustic Energy AE-29 is a decent--if slightly overpriced--Bluetooth speaker system.

The Sony MDR-NC7 Noise Canceling headphones are an OK option for travel fiends operating on a strict budget.

The Sony MDR-NC7 Noise Canceling headphones are an OK option for travel fiends operating on a strict budget.

If you own a new iPod, the Apple In-Ear headphones are a great value. Owners of iPhones and older iPods will have to decide whether the mic and remote compatibility issues are worth overlooking for the substantial boost in sound quality.

The Westone 3 True-Fit Earphones feature top-of-the-line sound to go with their top-of-the-line price tag; they should be a top choice for audiophiles who desire ultraportable headphones.

The Ear Pollution Toxix headphones might be a suitable choice for budget-conscious users with distaste for earbuds, but others should look elsewhere.

The Ear Pollution Toxix headphones might be a suitable choice for budget-conscious users with distaste for earbuds, but others should look elsewhere.

The Ear Pollution Toxix headphones might be a suitable choice for budget-conscious users with distaste for earbuds, but others should look elsewhere.