men's electric svels vt, usb heating et, outdoor, fishing, hunting, hiking, novelty, zone 8, winter, Black;white

dear friends, this vt heater must be connected to 5v / 2a mobile power supply via usb for heating
we have vts in different heating areas, including 2 / 4 / 8 / 9 areas.
featur:
1.1 minute rapid heating to drive out the cold and keep warm.
2. set the temperature you want to rpond to various environments.
3. one button heating, three station temperature control and intelligent heating.
4. machine washable and hand washable. don't dirty it with your hands.
5. universal usb interface power su