Perfectly sized for neck and lower back massage�and it works great on sore legs, too! 8Balls deep-kneading Shiatsu massage nodes help soothe sore muscles, relieve tightness, and promote muscle recoveryKneading nodes automatically switch direction after every 2~3 minutes of massageStretchy Velcro strap secures the massager to the back of your chairComes with car adapter.
