Product introduction
The battery is dedicated to electric heating socks, shoes, clothes, gloves and a series of electric heating equipment. The power bank is the output voltage of DC round hole, and the output voltage is 3.7V and 5V respectively.
The power bank with 3.7V output voltage is mostly suitable for electric heating socks, and the power bank with 5V output voltage is recommended for other electric heating equipment.

If you have any questions, please contact us and we will solve your problem quickly.

PS: Support Droping shipping, most countries in Europe use the Netherlands postal air transport, the time limit is about 16 working days.