Meet mJoose: a smartphone case with a battery extender and signal booster, allowing you to enjoy better quality calls for longer. Its (700-2100MHz) cell signal amplifier improves your iPhone or Samsung Galaxy signal strength. The 3000 mAh battery is powerful enough to provide up to 14 hours of additional talk time.
mJoose is not too bulky and keeps your phone protected from drops. Like what you see? You can find out more on Indiegogo.