Using their fingers to target pain, professional physios and osteopaths ease out knots and release tight points in your neck and back. Imagine replicating that action at home with this easy-reach electronic massager. Simply place onto the tender area (under or over clothing) and press down. Intense vibration guarantees a deeply relieving massage effect. Use anywhere! L36cm. Powered by USB cable (incl.) or 4x AA batteries (not incl). NB: Pacemaker wearers, please check with your GP before use.