Features 1、[Applicable for left and right shoulders] The size of the heated shoulder strap is adjustable: chest circumference 27-55 inches; arm circumference 9-16 inches. The flexible strap guarantees comfort for everyone. Shoulder compression sleeves are suitable for men and women. 2、[3 adjustable heating and vibration] The heating shoulder has 3 vibration and heating modes. Lowest-temperature range 40℃/104℉ to 50℃/122℉. Medium-Temperature range from 50°C/122°F to 60°C/140°F. Highest-temperature range 60℃/140℉ to 75℃/167℉. 3、[LED temperature display and low battery warning] LED temperature display helps you choose the most comfortable temperature. The LED display indicates the battery level when the battery level is less than 5% and will beep to remind you to control the usage time and charge it in time. 4、[Shoulder strap relief and USB charging] The heated shoulder straps help you relax your muscles and provide super comfortable heat for your shoulders. The electric shoulder strap support is an excellent shoulder care tool for frozen muscles. The wireless adjustable electric shoulder strap adopts a USB charging design, so you can use it at any time whether you are working or sleeping. 5、[Big gift bag] The heating shoulder pad wrap is made of high-quality neoprene material, which increases comfort, and provides stable support and optimal compression. The electric shoulder heating pad is an excellent gift for family, fathers, mothers, friends and lovers on Christmas, birthdays and anniversaries. Material: diving fabric Power supply mode: USB charging Voltage: 5V Power: 7W Built-in battery capacity: 5000amh Gear position: 3 gears Charging time: 3 hours Product size (cm): 45*32*1 Packing size (cm): 24*15.5*6 Weight (kg): 0.525kg Heating gear: 3 gears (60℃-75℃ 50℃-60℃ 40℃-50℃), Vibration gear: 3 gears Working time: massage: 14 hours, heating: 2 hours, massage and heating: 2 hours Functions and features: Heat massage two-in-one shoulder pad-you can enjoy 3 functions at the same time or individually. Built-in 5000mAh high-capacity battery. 3-level heating and 3-level vibration settings, the highest temperature is 75 degrees. Heating and massaging make the knees no longer fatigued. Good gift choice. Package List 1*Heated Shoulder Guard; 1*80cm Strap; 1*30cm Extension Belt; 1*1m USB Charging Cable;