Neck Shoulder Massage with Soothing Heat, Electric Shiatsu Back Massager 3D Deep Tissue Kneading Massagers for Full Body Muscle Pain Relief Relax, Christmas Birthday Gift, Black Neck & Décolleté The frequency knob can be KWANWA The frequency knob can be adjusted according to the type of animal model number: ADP03 UL approved power adapter and a car adapter are included 7 IN 2)Longer Heat Protection Function: 20 Mins Auto Shut off 3)Better Cloth Cover Leather: Feel the heat and massage softer 2️⃣Massage Method 1) Massage Nodes: 8 nodes 2) Massage Area: Full Body 3) Benefits: Muscle Pain Relief 4) Control Panel: Touch Panel 5) Timing function: 20 minutes 6) Intensity control: 3 levels 7) Heating temperature: 104 113℉ 3️⃣What will you enjoy: 1)3 Intensity The adjustable intensity button provides 3 different speeds from low and medium to high for your preference