The dumbbell hasn’t had an upgrade in a long time, if ever. Well, now suddenly they are getting smarter. What if you could have an entire set of dumbbells in one compact design? That’s the idea behind this concept by Sang-Hoon Lee.

You can digitally adjust the weight of the dumbbell. There are tiny balls inside the dumbbell that spin. The faster the balls spin, the heavier they weigh, thereby beefing you up so you don’t look like a girly man. You can adjust the speed of the balls, which adjusts the weight, simply with a dial and pushing buttons. The set comes with a charger cradle..

[cooladdict]