Item Type: Massage Pillow Material: Leather and Mesh Specification: US Plug 100-240V, EU Plug 100-240V Applicable Parts: Neck, Waist, Buttocks, Legs, Back Massage Techniques: Hot Compress, Kneading Applicable People: Cervical Spine Reversal Arch, Cervical Spine Straightening, Dizziness, Neck Pain, Bone Hyperplasia, Hand Numbness Pain, Wealth Package, High Blood Pressure, Insomnia and Dreams. Package List 1 x Massage Pillow 1 x Power Adapter 1Ergonomic Design: This massage pillow adopts ergonomic design, which can fit the curve of back of the head and cranial bones. 220D Simulation: Positive and negative kneading and massage, 20D simulation person massage for reliving stress. 3Comfortable Experience: With premium material, this massage pillow is soft and skin friendly, providing comfortable and breathable experience. 4Practical Function: This massage pillow can help you improve sleep poorness, relieve shoulder, neck pain and pressure. 5Conceal Zipper: With conceal zipper design, this massage pillow will not scratch you skin, which is safe and reliable.