8 MASSAGE NODES - Ophanie neck and back massager features 4 big massage nodes and 4 small massage nodes, which provide you with thorough and deep massages. They work together to relieve muscle tightness and chronic pains on your neck, back, shoulders, and legs. 2 MASSAGE DIRECTIONS - Bi-directional massage, clockwise and counterclockwise, auto-reverse each minute, which offers you a better massaging experience. Massage directions also can be changed manually. HEAT MASSAGE THERAPY - Massager with heat, provide soothing heat therapy for the muscles to effectively release muscle tension and tiredness and help to promote blood circulation. FULL BODY MASSAGE - U-shaped design, our massager can be your neck massager, back massager, shoulder massager, leg massager, or arm massager, giving you a full body massage. Built-in overheating protection enables the massager to automatically shut down after 15 minutes. PORTABLE MASSAGER - Perfect for home, office, and car. Both AC adapter (110-220V AC to 12V DC) and car adapter are included in massager package. NOTE: It’s NOT a chargeable device and contains NO battery. This massager must be plugged in to be used. Features: - 8 deep kneading massage nodes, 4 big and 4 small nodes, offering you thorough and deep massages. - 2 massage directions, bi-directional massage. Massager with heat, provide soothing heat therapy for muscles, effectively releasing muscle tension and tiredness and helping promote blood circulation. - 15-min Massage Time, Equipped with an overheat protection device, this neck and back massager automatically shuts down after 15 minutes. - U-shaped design can become your neck massager, back massager, shoulder massager, leg massager, or arm massager, giving you full body massages. - Portable electric massager, AC adapter and car adapter are included. This neck and back massager with heat lets you enjoy a massage anytime in your home, office, or car. Note: Device is NOT cordless; an adapter is required for power. Specification: Massager Size:16 x 14 x 6" Massager Stretched Length: 43" Net Weight: 2.76 lbs (1.25kg) Package Dimensions: 15.9 x 6.7 x 7.9" Working Time: 15 minutes/one time Materials: PU leather and wear-resistant breathable mesh.