1. Gently removes callous and dry skin callus remover 2. 3D massage for full body helps blood circulation. 3. Two attachments to choose (Roller massager and Foot callus Smoother/Remover) 4. Design for using on various parts of the body (arm, abdomen, back, hips, thighs, butt and leg) to help prevent and reduce unsightly fat deposit and "ORANGE-PEEL SKIN". 5.Non-slip material and ergonomic design provides maximum ease of use and comfort. 6. Small form factor for portability and easy storage. 7. It also relieves minor muscle aches and pains, relaxes muscles, and increases blood circulation.