Specifications: 1) Back and waist: fourteen kneading nodes 2) Buttocks: four kneading heads, two vibrating motors 3) Thigh: four kneading nodes 4) Calf: two sets of clipping mechanisms Features: 1) The back curve clinging streamline design is in accordance with ergonomic principle, which may enhance the massage efficiency, promote blood circulation and lessen aches and fatigues 2) Microcomputer intelligent control: automatic and manual control options; you can experience various massage effects of continuation, wave and interruption 3) Deluxe LED display controller: simple and fast operation; 15min automatic timing available 4) The calf kneading function is capable of effective lessening of calf fatigues and aches, which may give you comfortable and extraordinary experience 5) Backrest and calf support are pneumatically controlled for massaging posture adjustment to your maximum comfort 6) Black and cream colors at your free option