I got this as a Christmas present years ago from my husband because my back hurt and I just liked massages. It was better than I thought it would be. I've tried cheaper massagers in stores before and they didn't hold up as well. This HoMedics Shiatsu Massager worked great! It was a lot stronger than I was expecting. The massaging balls work up and down your back. You can pick upper, lower or your full back for the massage. It is definitely a shiatsu massage. The chair fits nicely on your couch and is comfortable to sit on. My concern is that it doesn't massage high enough. I am 5'5 feet and the massage part doesn't go up to the top of my shoulders. I can only imagine that there are taller people than me out there using this product. So for that reason I can't give it a full 10 out of 10 rating. I feel like I have to sit awkwardly in order to get the very top of my back. Other than that this a great massage chair. It works well.