Type A: Heating Vibration Massage Shoulder Pad 3 Adjustable Heating and Vibration Shoulder brace has 3 vibration and heating modes. Lowest - temperature range 40/104 to 50/122. Medium - temperature range 50/122 to 60/140. Highest - temperature range 60/140 to 75/167. Note: Please fully charge the shoulder heating pads before first use for better effect. Led Temperature Display and Low Power Warning The led display for temperature help you to choose the most comfortable temperature. When low power belows 5%, the shoulder pad will beep to remind you to control the usage time and charge the shoulder support in time. Fit for Both Left and Right Shoulder Adjustable Size of shoulder heat wrap:chest circumference 33-53inch; arm circumference 11-15inch. The flexible bands guarantee using comfort for all people. Shoulder compression sleeve is suitable for men and women. Shoulder Brace Massager and USB Recharged Heated shoulder brace help you to relax and provide super comfortable heat massage for your shoulders. Electric shoulder brace support is great shoulder care tool. Adjustable electric shoulder brace use a USB charging design that allows to use it anytime, no matter you are working or sleeping. After full charged, the shoulder brace for women/men can last 2 hours. Great Gift Heated shoulder pads wrap is made of high quality neoprene material for added comfort and also provide stability support and optimal compression. Electric shoulder heating pads is great gift to your family, father, mother, friend, lovers in Father's Day , Christmas, Birthday, Anniversary. Type B: Heating and Vibration Shoulder Eblow Knee Brace Features: 1. The multifunctional heated shoulder guard can be used not only to protect the shoulders, but also to protect the knees and elbows. 2. This heated shoulder pad is made of high-quality diving fabric, light and soft, good elasticity, not easy to pilling, comfortable to wear and easy to carry. 3. It can be used for warmth and hot compress treatment, can effectively relieve muscle soreness and cramps, relieve fatigue, promote microcirculation and accelerate the recovery of injured parts. 4. Two-in-one heating and massage, 3-level heating (maximum temperature 65) and three vibration modes for you to choose. You can enjoy the three functions at the same time or separately. 5. The heating pad can be wrapped and locked on any leg or arm that needs hot compress, it is not easy to slip off, you no longer need to hold it by hand. 6. Equipped with a digital display controller, touch screen button design, the panel displays the temperature and power, you can use the controller to control the temperature and vibration mode, the operation is simple and convenient. Specifications: Battery capacity: 4000mah Third gear temperature: 45 - 55 - 65 Third gear vibration Length of long strap: 68cm Short strap length: 30cm Length of charging line: 100cm Working voltage: 5V Working current: 1550mA Packing List: 1* Heated Vibration Knee Brace 1* Extension strap 1* Type-C Cable 1* User Manual