Description:Our back massage is designed with 4 massage nodes, moving up and down for a full back, lower back, or upper back massage. The spot massage allows you to stop them on your sore muscles. More, an auto mode is available, which features a timer of 20 minutes and a full massage. As needed, the massage chair pad offers adjustable widths of 3"-5.5" while it allows rolling massage & Thai shiatsu. The back massager comes with an infrared heat function for good blood circulation. With a 3-level timer (10/20/30 min), the massage seat cushion will shut off automatically to save energy. Plus, the padded seat contains vibration devices for hip relaxation. A detachable pillow and sweat-proof PU make it easy to maintain. It also comes with a considerate mat which can reduce the massage intensity for a much more comfortable massage.Features:Targeted massage for full back, lower back & upper backSpot massage precisely relaxes your intense musclesAuto mode offers a rolling massage & a 20-minute timerSponge-padded seat with a powerful vibration functionWith infrared heat of 104-131 Fahrenheit for good blood circulationA 3-level timer ensures auto shut-off to save energyThai shiatsu & rolling massage are useful to relieve fatigueAdjustable widths of 3"-5.5" for different peopleThe remote control makes it easy to change the massage modeDetachable neck pillow & back flap for flexible useThe side storage pocket keeps the remote control within reachThe sweat-proof surface is convenient to cleanApplicable to office chairs, leisure chairs, sofas, etcComes with the UL certification for high securitySpecifications:Material: Sponge, PU, MeshOverall Dimension: 16"x 18"x 31"(L x W x H)Size of Pillow: 13"x 7"(L x W)Size of Seat: 15.5"x 14.5"x 2"(L x W x H)Size of Side Pocket: 4.5"x 6.5"(L x H)Net Weight: 10 lbs