The quick, effective and easy to use Equilibrium Therapy Massage Mitt helps to promote relaxation, improve flexibility and improve muscle condition. For use on muscle groups in the back, neck, quarters and hamstrings. ? Battery operated 10-minute sessions in 3 intensities. Stimulates muscles by pulsing, vibration and stroking actions. Perfect before exercise as part of warm up and after exercise to help with toxin removal. Can be used to help alleviate back problems or anytime as a rewarding treatment. Lightweight & portable. Easy to use, clean & store with a modern & practical sports holdall. New high performance battery & universal charger*. 2 year product warranty * The new Equilibrium Therapy Silver Battery will NOT work with the older style Equilibrium Therapy Massage Mitt (navy in color).