Certification : CE Application : Knee Cap Massager Model Number : D-LMH210510 Item Type : Massage & Relaxation Material : ABS Size : Medium Origin : Mainland China Brand Name : foreverlily Item Type : 4 in 1 Smart Kneecap Treasure Massager Feature-1 : Laser Infrared Light Therapy Knee Massager Feature-2 : Hot Compress Knee Massager Relax Joint Feature-3 : Airbags Vibration Knee Massager Feature-4 : High-frequency Vibration Knee Massager Machine Function-1 : Warm Compress Therapy Joint Swelling Massager Function-2 : Relieve Stiffness Shoulder Elbow Massager Function-3 : Reduce Knee Shoulder Elbow Joint Soreness Function-4 : Reduce Knee Shoulder Elbow Joint Numbness Function-5 : Reduce Knee Shoulder Elbow Joint Bones Pain Function-6 : Knee Joint Effusion Edema Treatment Massager Function-7 : Old Cold Legs Knee Health Care Massager