With 1.5M USB Androids port charging cable, no battery, can be adjusted heating, divided into three gears Low 45-50 C Mid-range 50-55 C The highest temperature 55-65 C output voltage: 5V output current: 1A Four-point compression pad for more effective support and on the shoulder. Womens Shoulder Brace Compression Sleeve Easy to operate, simple and comfortable to wear. High quality diving material, heating gasket, with 1.5M USB Androids port charging cable Shoulder Brace Support Product List: Heating Shoulder 1 1.5M USB Androids port charging cable 1 Instruction manual 1 Large shoulder pad body size: 46cm 33cm 41cm Large adjustment belt size: 5 80cm Compression Shoulder Support Switch Mode: Red-highest temp (65? to 75?) Shoulder Compression Sleeve Blue-medium temp (55? to 65?) Green-lowest temp (40? to 60?) Using a voltage other than 5V will cause it to not work or burn.Shoulder Support For Women:The shoulder support for women is only suitable for 5v adapters or 5v , otherwise it will not work, use a voltage other than 5V will cause it to not work or burn. Four-corner Compression:The shoulder brace rotator cuff have four-corner compression for more tight-fitting , fit both right or left Shoulder, allows performance of routine tasks in comfort, outdoor indoor. Adjustable Brace:The shoulder brace for rotator cuff have adjustable design, shoulder brace is fully adjustable to fit most people's body size, easy to wear, the arm compression cuff have adjustable compression, easy to use, adjustable compression for your strap. Lightweight Design:The shoulder compression sleeve is made of lightweight, breathable neoprene the fashion blue color, beautiful color, the womens shoulder brace can be used for shoulder support, breathable, soft touch, can be long time used. Shoulder Support: The shoulder brace rotator cuff canperfect cover your shoulder with gentle compression, the mens belt bag can helping to provide support and fixation, not easy to fall off, can effectively protect your rotator cuff.