A. Lightweight and portable: Made of a plastic shell and a battery, it is durable. It has a good hand feel, is suitable for indoor and outdoor use, and is easy to carry. B. Two-in-one multi-function: With a built-in battery and a USB interface, this product can serve as both an electric hand warmer and a power bank. C. Two adjustable temperature modes: This pocket hand warmer has two temperature modes (it can heat up quickly, allowing users to feel the warmth soon). D. A good gift: It is a good choice in the cold season and is suitable as a gift for family members, etc. It is suitable for occasions like Christmas, the New Year, or winter. E. Safety guarantee: The optimized circuit helps extend the service life of the pocket hand warmer and can prevent over - discharge, over - charging, overheating, and short circuits. F. Battery capacity: 6500 mAh G. Material: ABS H. Color: Purple I. Package contents: - 1 hand warmer - 1 USB charging cable Only the above package contents are included, with no other products. J. Notes: Light reflection and different displays may cause a slight difference between the color of the item in the picture and the actual one. The allowable measurement error is +/- 1 - 3 cm.