Hello,

We noticed you're browsing in private or incognito mode.

To continue reading this article, please exit incognito mode or log in.

Not an Insider? Subscribe now for unlimited access to online articles.

Stay Entertained

The Soulra sound system for iPods and iPhones relies on a high-efficiency solar panel to power the speakers and recharge the music player.

Credit: Christopher Harting

This story is part of our July/August 2010 Issue
See the rest of the issue
Subscribe

Product: Soulra

Cost: $199

Availability: Now

Source: www.etonsoulra.com

Company: Eton

Other products in this section:

Drop that Doughnut!

Stay Cool

Stay Powered

Stay Connected

Bomb Detector

Zapping Asthma

Green Light

Smarter Charger

Harvesting Heat

Electric Delivery

Become an MIT Technology Review Insider for in-depth analysis and unparalleled perspective.

Subscribe today
Want more award-winning journalism? Subscribe to Insider Plus.
  • Insider Plus {! insider.prices.plus !}*

    {! insider.display.menuOptionsLabel !}

    Everything included in Insider Basic, plus the digital magazine, extensive archive, ad-free web experience, and discounts to partner offerings and MIT Technology Review events.

    See details+

    What's Included

    Unlimited 24/7 access to MIT Technology Review’s website

    The Download: our daily newsletter of what's important in technology and innovation

    Bimonthly print magazine (6 issues per year)

    Bimonthly digital/PDF edition

    Access to the magazine PDF archive—thousands of articles going back to 1899 at your fingertips

    Special interest publications

    Discount to MIT Technology Review events

    Special discounts to select partner offerings

    Ad-free web experience

/3
You've read of three free articles this month. for unlimited online access. You've read of three free articles this month. for unlimited online access. This is your last free article this month. for unlimited online access. You've read all your free articles this month. for unlimited online access. You've read of three free articles this month. for more, or for unlimited online access. for two more free articles, or for unlimited online access.