Introducing Moji's game changing new MojiHeat massage balls for soothing relief from your aches and pains. Heat promotes healing, relaxation and range of motion. MojiHeat gives you an incredible recovery and relaxation combo. And it feels great! Regardless of your lifestyle or activity level, you will love using Moji products every day. With Moji's heated balls, you will stay active, live pain free, and do what you love!