Feature: 1. USB interface USB‑5V/2A power supply interface, can be connected to the power bank for use. 2. High quality heating material carbon fiber to make the electric heating quickly smoothly without radiation. 3. Zipper pocket for power bank storage, more convenient when going out. 4. Elastic waistband is comfortable, not too tight and durable to long term using. 5. There are 6 different sizes available, suitable for different body size to choose. Specification: Condition: 100% Brand New Item Type: Heating Pants Material: Polyester / Carbon fiber/waterproof materialInput/output: 5V,2A Color: Black High temperature: red =65(±5℃) Medium temperature: white =55(±5℃) Low temperature: blue =45(±5℃) Optional Size: L, XL, 2XL, 3XL, 4XL, 5XL Size Length Waist Hip L 97cm / 38.2in 63cm / 24.8in 92cm / 36.2in XL 98cm / 38.6in 66cm / 26in 96cm / 37.8in 2XL 99cm / 39in 69cm / 27.2in 100cm / 39.4in 3XL 100cm / 39.4in 72cm / 28.3in 104cm / 40.9in 4XL 101cm / 39.8in 75cm / 29.5in 108cm / 42.5in 5XL 102cm / 40.2in 78cm / 30.7in 112cm / 44.1in . Package List: 1 x Heating Pants Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.