Product Parameters:

1. Name: Outdoor Cotton Heated Knee Wraps Lengthened Leg Supports Thermal Breathable Electric Heated Knee Braces

2. Material: cotton material

3. Features: Powered by the lithium batteries, the heated knee wraps can provide warmth and relieve the cold the knees feel. The knee parts are made of the flexible electric heated materials that are foldable and can reduce the fatigue. Come with the 3.7V lithium battery low voltage safety design. Can be washed and soaked in water. 4-hour constant temperature insulation.  

4. Battery Specifications: 3.7V / 2000MAH (the capacity of each included battery, ). Generally, it takes about 5 hours for a single charge.  

5. Product Size: (approx.)

1) S: knee length: 42 cm/16.54 in, circumference of upper opening: 32 cm/12.60 in, circumference of lower opening: 24.5 cm/9.65 in

2) L: knee length: 38 cm/14.96 in, circumference of upper opening: 37 cm/14.57 in, circumference of lower opening: 29 cm/11.42 in

6. Reminder: Do not charge the product under an enclosed environment, such as on the bed, heater, etc. When the product is not in use in summer, charge the battery for about half an hour every two months for the care and maintenance.  

Packing list:

2* electric knee wrap

2* dedicated lithium battery

1* charging cable

1* manual