Includes: 1 pair of heated insoles, 2 battery boxes, 1 USB and 2 slippers. The thermal midsole provides warmth in everyday winter and is ideal for keeping body heat in low temperatures.

Cut to size - The thickness of the thermal insole is 4 mm, size 35-44. There are marking lines at the bottom of the insole for the appropriate size, which can be cut according to your shoes.

Good quality - The thermal insole consists of three parts: flannel + carbon fiber heating sheet + EVA insole. The heated insoles are safe and energy-saving, and the flannel heats evenly, is soft, comfortable and washable. Keeps your feet warm even when it is cold outside.

Dual-use battery compartment - Powered by 3 AA batteries (batteries not included) for use with slippers; USB connection for use with a mobile power source. Choose the way you need more convenience.

Widely used: Heated insoles are suitable for all kinds of winter activities, including indoor activities at home, office, etc., as well as outdoor activities such as skiing, building snowmen, snowball fights, cycling in the fresh air, rescue operations, etc. Feet are warm and the whole body does not get cold