Protective Case with External Battery and Speaker Amplifier for iPhone 4/4s - Give that shiny smartphone the power boost it needs to make it through the day. Also includes a built-in speaker amplifier so your iPhone’s sub-par speaker actually sounds as good as it looks.

The Perfect Fit
Pleasing to the touch, this lightweight and durable Protective Case allows optimal access to all sensors, ports, and controls on your iPhone 4s. Installing it is as easy as plug and play; simply open up the case, slide the iPhone 4s inside and connect it to the dock connector. Next step? Go play with your phones extended power, because you're good to go!

Amplified Sound Enhancement
Finally, the way your iPhone 4s is suppose to sound. Whether its games, music, GPS or video playback, the 10W Speaker Amplifier on this case will offer audio in a louder, richer, and fuller sound quality. Instant boombox iPhone 4s, anyone?

More Power, More iPhone
Get the most out of your iPhone 4s with this Protective Case's High Capacity External Battery. At 1500 mAh, that's almost double the usage time for talking, texting, gaming, FaceTime™, browsing and even standby. Why? Well frankly, what's the point of a smartphone if you're afraid of using it due to battery life?


1500mAh iPhone 4S External Battery Case & Speaker Amplifier Features:
Anti-fall, anti-bump protective case
On-the-go power for the iPhone 4s
1500 mAh battery for nearly double the iPhone 4s juice
Recharges directly with your iPhone 4s cable
10W speaker amplifier for superior tone quality
No setup - just slip in your iPhone 4s and you're good to go!



1500mAh iPhone 4S External Battery Case & Speaker Amplifier Specifications:
Color: Black
Material: Hard Molded ABS
Speaker Amplifier: 10w
Battery: Rechargeable li-ion batteries (1500mAh 3.7v)
Output Current: