eatures: 1. For electric shoes/heating shoe/warm shoe/foot warmers/warm feet Po/warm feet Wang fever tablets /electric film/heater. 2. Latest labyrinth insole fever patch 8*13CM. 3. Mobile phone charger, MP3 charger can not be used. 4. General powered by computer USB (Universal Serial Bus). 5. Preferably with good temperature 5V2A power adapter. Item Type: Feet Heater Film Voltage: 5 ~ 6 (V) Thickness: About 0.5 (mm)
Size: About 8*13 (cm) Package Included: 1 X Feet Heater Film