As the device comes with a compact size (13.4 x 4.9 x 7.9 inches), it is suitable to use anywhere you are. At the back of the device, there is a stretchy Velcro strap that allows you to attach the device to the chair. It fits perfectly for neck, lower back, and even legs. Just with one-button control, you can easily have multi-directional nodes automatically switch direction after every minute of massage. Cordless Shiatsu Massager is available in blue, grey, and green with elegant design. Completed with 4 Deep-kneading Shiatsu massage nodes and heat feature, this product is well built for you to have sensational massage experience. It comes with AC adapter for charging and great battery capacity. In the term of operation, it works silently and you may even fall asleep while getting a massage!