Features: 1. Heating & Vibrating Massage Relieve Knee Pain: Our cordless knee heating pad has 4 temperature modes, 3 heating levels, and 3 vibration levels, provides for arthritis knee pain relief, and speeds up injury recovery. 2. Graphene: Graphene will release 6~16um far-infrared wavelengths close to the human body when it heats up, which can easily penetrate the skin and be absorbed by the human body. 3. Built-in Heating Pads: Fast heating in seconds, knee brace wrap ensure knees fully enjoy the massage heating effect. Suitable for shoulders, elbows, legs, and knees. 4. Vibration Knee Massager: Heated knee brace wrap has powerful massage motors to deliver a soothing massage to tissue muscles. It provides sufficient relief for those suffering from chronic knee pain, meniscal tears, and muscular aches. 5. Warm Present: The heating knee massager is made of comfortable superior neoprene materials, it is an ideal gift for Christmas, Mother's Day, Father's Day, or Thanksgiving Day for parents, or friends. Specification: Material: ABS Resin + Neoprene Color: Black Vibration Mode: 3 Vibration Strength: 3 Heat Modes: 4 Timing Time: 30 Minutes Input Voltage: DC5V Output Power: 5W Input Current: 1.5A Charging Port: Type C Package Size: 62 x 30cm Package Weight: 350g Package Included: 1 x Cordless Knee Heating Pad