technology-h1-bg TECHNOLOGY


Signal_Icon_100X_blueSignal Joose

mJoose patented technology connects to the smartphone, reducing dropped calls and delivering great reception.


  • Increased signal strength yet our case is certified to lower your radiation exposure from your smartphone by up to 70%.
  • Improves data connection speeds in weak signal areas, by extending the range to other towers which results in better Internet connectivity at 4G or LTE speeds if available.
  • Patented technology works with 2G, 3G, 4G, and LTE for all carriers.
  • No more leaning and straining just to get a “strong enough” signal.
  • Our patented signal amplifying case goes wherever you go.
  • Now you can get signal and reception where you want it.

Battery_Icon_100px_blue 100% Battery Boost

Our powerful battery extender:

  • Doubles your smartphone’s battery life, giving you twice as long to surf, talk, and text.
  • Priority charging & sync charges your smartphone first and then the case.

You’ll gain additional battery life as our technology creates a better handshake with the tower — your phone’s battery isn’t drained while it constantly works to connect.

With the Mjoose case you will feel safer:

  • Reduced radiation exposure by up to 70%.

Independent testing performed by a third party laboratory  showed electromagnetic radiation to be reduced by an average of 70% with the mJoose case attached.


Additional 17 hours of talk

Up to 14 additional hours of video

Up to 60 hours of music

More hours of surfing the web


Built for the almost 70 percent of smartphone users that experience poor signal coverage either at home, work, or while traveling, our patented internal electronics deliver the first cell signal amplifier in a smartphone protective case. Even though the case is stylish, protects your phone, and extends battery use, its main benefit is the patented antenna coupling cell signal amplifier technology. Our engineering breakthrough delivers the first signal amplifier in a case that covers ALL bands 2G, 3G, 4G and LTE. Eliminating dread zones case by case giving you more bars in more places.