Need to work out? Can’t let go of your iPhone? Try the world’s heaviest iPhone case, ToneFone

That’s the takeaway with this 1kg (2.2 lbs) or 1.5kg (3.3 lbs) case for the iPhone 5 and iPhone 5s (no plans to support older models). The ToneFone is a dumbbell case for the iPhone. It is crafted of good old British steel, covered in a soft, durable rubber skin.
The claims from DesirableBody in the UK are that even the most basic movements will help you improve your muscle strength and endurance. So, why not add some resistance to even the most mundane of tasks, such as, using your iPhone.
Of course, that is not the same thing as working out and using your iPhone at the same time. Just be sure you switch between arms to keep the build-up of your muscle mass even. We will see you at the body building championship.
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