Portable Hand Warmer

Product information:

Power mode: USB
Timing function: no timing
Rated voltage: 5v
Rated power: 8-10w
Heating mode: aluminum radiator
Model: M30
Speed regulating gear: fourth gear
Maximum heating area: below 20m ^ 2
Color: white, pink, green, dark green
Battery capacity: 8000mA [Three side heating+power pack]
Heating temperature: 40-45-50-55C

Features:
3D hot compress, 4-gear temperature control, skin friendly comfort, multiple safety protection