Pain and Tension relieving technologyHot Stone TherapyFar Infrared TherapyNegative Ion TherapyPortable Gemstone Heat Therapy - Knee ModelThe heated knee wrap is a thoughtfully crafted far-infrared gemstone heating pad that incorporates an advanced carbon fiber heating system and natural gemstones to release deep penetrating far infrared heat into a knee area. It is designed to be portable bringing muscle relaxation and temporary relief of joint pain, tension and stiffness on the go or in your home whenever you need. The product';s maximum temperature is reached within approximately 25 minutes.The heated knee wrap comes with two inserts made of revolutionary graphene fabric, filled with crushed and polished amethysts and tourmaline. Each portable model evenly distributes far-infrared rays and negative ions into the targeted area. The included 10,000 mAh power bank allows 4+ hours of continuous heat and fully charges in less than 4 hours. The device can also be used with direct power through a USB adapter.Suitable for indoor and outdoor use. Safe and easy to operate.Features:Portable temporary pain-relieving device for indoor and outdoor useGemstones heat up to maximum temperature within 25 minPowered by universal DC adapterCan be used with direct power through a USB adapter on 100-240V 50/60 HzSpecifications:Approx. Size: 24" x 11" (60 cm x 28 cm)Approx. Weight: 0.9 lbs (0.4 kg)Temperature settings: Red - Highest setting (up to 150�F or 65�C); Blue - Medium setting (up to 120-130�F or 50-55�C); Green - Lowest setting (up to 105-110�F or 40-45�C)5-14 um of enhanced far-infrared heatNO EMFMaterials: High-quality lycra-neoprene mix, hook & loop fastenersPower bank capacity: 10,000 mAhPower bank fully charges in less than 4 hours and allows 4+ hours of continued heatUPC: 811249031355SKU: Portable-AT-KneeThe Recommended Uses:Intended to be used for the temporary relief of joint pain, stiffness, and minor muscle pain; for the