If you are an exercise freak but do not really have the time to visit a gym for a proper workout, then this is the perfect product for you. Digital Portable Dumbbell, as the name suggests, is a dumbbell created by Sang hoon Lee, which is very slim and easy to handle, thereby making it a great portable exercise tool that can be carried almost anywhere you want.
There is a small ball inside this dumbbell, whose speed of revolution can be modified and controlled by the user.
With this principle at work, the user can change the weight of the dumbbell to suit his or her individual needs, thereby creating a proper workout at home or anywhere, without having to carry really heavy weights or other equipment.
So, the next time you are on the road or really caught up in a lot of work and cannot find time to visit a gym for your regular workout, this portable dumbbell will come to your rescue and enable you to stay healthy, wherever you are.