Third Rail System introduced an amazing Slim protective Case for iPhone 4 with a slide-on Smart Battery which allows you also to add additional power if you run out of juice mid-day. Slim Case is being sold for $39.99.
- Product Dimensions : 4.96 in x 2.43 in x 0.46 in; 0.85 oz
- Product Compatibility : Works with every iPhone 4, iPhone not included.
- Box Contents : Slim Case for iPhone 4, Micro-USB Cable, User's Manual
- Complete Coverage : Durable hard-shell protection with a soft touch coating provides access to all iPhone 4 features.
- Ultimate Flexibility : Daily phone power needs may vary - we feel that your solution should vary with it. A great protective case by itself and, if needed, transforms to a power case by sliding on any Third Rail™ Smart Battery (sold separately).
- Share your Power : The Third Rail™ Slim Case is compatible with all Third Rail™ Smart Batteries so you can easily share Smart Batteries among family, friends, and coworkers.
- Apple Certified : Officially a "Made for iPhone 4" product.