The Sharper Image Shiatsu Full Body Massager can be used on back, neck, feet, or anywhere else. It’s wireless and rechargeable, so you can use it without a tangled cord or needing to replace batteries. The arm straps provide the versatility needed to give your body the perfect massage, just choose the strap style that best suits you- strapless, arm straps, chair strap or hands-free strap.