Breathable and ergonomic brace secures element or cold pack. You can use this elbow support by connecting to power bank, car charger, laptop, computer, etc. This heated elbow support helps soothe the symptoms of Tendonitis, , acute & chronic pain, peect for people suffering from sprained elbow, tennis elbow, golfers elbow and more. Mouldable cold pack insert for acute pain, mesh offers protection against ice burns Adjustable heated elbow wrap pad, is suitable for both left or right Elbow. Built in mesh bag, you can put ice/hot pack or herb pack(not included) if need. The elbow brace heat is free size with adjustable hook and loop closure, suitable for elbow circumference up to 13.7inch. Product Description ANGGREK Heated Elbow Support Adjustable Elbow Wrap Elbow Heating Pad for Tendonitis Suitable for elbow circumference up to 13.7'' As a saying goes, 'Health is more than wealth'. We are committed to providing the most dependable products and the highest standard of service to each customer. MULTIPLE CHARGING METHODS: Heating elbow wrap is equipped with a 4 feet long USB charging cable which can be connected to the power bank, car charger, laptop, PC; The low voltage 5V voltage output is a lot lower than 36V Human body safety voltage, much safer for using; Plug&Play, you can use it conveniently whether you are at home or outdoors. One-button operation and 3 Level Heating Settings Adjustable Design Benefit of Elbow Massager