The Magnetyze replacement back cover for Samsung Galaxy S3 gives you instant magnetic charging without adding any size or bulk to your phone. Just replace your Galaxy phone's original back cover with the Magnetyze cover and you're ready to recharge through the power of magnetics. The Magnetyze magnetic charging cable is included so you can recharge from any USB power source. With the Magnetyze back cover you get full speed charging, and thanks to the integrated magnetic connectors, you can easily grab and go without the wear and tear on your phone’s connector that you get with a traditional charging cable. Once your phone is done charging just grab and go -magnetic attraction between the phone cover and the magnetic charging cable makes it easy to attach and detach. The Magnetyze back cover connects to a variety of charging bases and accessories (sold separately) so you can magnetically charge from a desk charger, car charger, wall charger and more. All Magnetyze accessories are universally compatible so Apple and Android phones can share one charging platform. Additionally, all Magnetyze accessories are “future-proof” so when you upgrade your phone, your existing charging accessories will continue to remain compatible. Magnetyze -magnetic attraction, seamless connection.