This chair-model massage cushion works properly when strapped onto an office chair or positioned in an armchair. Take note that we located it heavier than other massage cushions, but it failed to drastically impact assembly. I like the heating aspect because it helps my muscles to take it easy. I https://allhealthmarket.com/product/health-and-beauty-2/skin-care-health-and-beauty-2/anti-aging-products/facial-lifting-massager-led-photon-therapy-face-slimming-v-double-chin-belt-massager-cellulite-jaw-device/