iPhone case

Smartphones are going modular, so why not smartphone cases? That's just what Logitech is doing with its new case+ system. Designed for iPhone 5 and 5s, the system allows different modules to be swapped out as desired.

Griffin's Survivor + Catalyst is a waterproof, shockproof case for iPhone 5 that's billed as being "functional enough to use every day." So does it live up to these expectations? We headed into the great outdoors to find out.

Mipwr Dynamo is an iPhone case with a hidden lever that can be pressed down repeatedly to charge the battery, but is still slim enough to fit in your pocket. One minute of squeezing the lever will equal about 30 seconds of talk time, according to the designers.

Some people wouldn't leave home without a Swiss Army knife boasting an impressive array of tools. However, with the IN1 iPhone case they could perhaps ditch their multi-tool of choice and just make sure to keep their smartphone close at hand at all times.

Ebay has teamed up with a host of 3D printing specialists to launch an iOS app named ebay Exact which lets users customize iPhone cases, jewelry and other odds and ends.

The TurtleCell iPhone case features retractable earbuds so you always have a tangle-free set of headphones handy.

During CE Week, Outdoor Tech announced a range of rugged products, including the touch-controlled Privates headphones, the Buckshot wireless speaker, and the Safe 5 waterproof iPhone case.

Two iPhone gaming cases are battling for your funding on Kickstarter.

The TaskOne is a 16-tool pocket knife built into an iPhone 5 case.

popSLATE puts an E-Ink display on the back of your iPhone 5, that's capable of displaying images, app alerts and other content.

The Coyote Case adds a 100db alarm to your iPhone.

The Spraytect iPhone case has a built-in pepper spray canister.