Portable and Lightweight Graphene Heating Foot Warmer with USB Interface

Dimensions (L x W x H (Inches):33.5×30.5x20cm
Power (W):10
Use:Bedroom, Living Room
Voltage (V):5
After-sales Service Provided:Free spare parts
Installation:PORTABLE
Function:Overheat Protection, Waterproof
Heating Element:Graphene heating film
Application:Hotel, Car, Garage, Household
Power Source:usb, Electric, Vehicle Power Supply
App-Controlled:Yes
Color:Grey
Size:33.5×30.5x20cm
Heater type:Graphene fast heating
Input voltage:5V
Liner Material:Crystal Velvet
Controller:Upgraded Digital Display
Power supply:USB connection