Cordless Massager: Enjoy a thorough massage wherever you go without fussing over a tangled mess of cords. Just sit back, relax, and let the back massager soothe your aching muscles. You can easily recharge the battery when youre done Heating Levels: With adjustable infrared heating (low/high), this neck massager provides the necessary warmness to ease muscle tension and stress. Gentle heat helps in improving the blood circulation Perfect Gift: Fathers day gifts for dad, gifts for women, gifts for men, Father's Day, Birthdays, Anniversary or any special occasions. AC power adapter and a car adapter are included 8 Deep Kneading Rollers: Comparing other massagers for neck and back which only has 4 nodes, 8 bi-directional rollers can massage to the targeted parts in a more comprehensive and deep way