Product information:

Product specification: 80 * 79 * 32.6mm
Power mode: USB
Rated voltage: 5V
Rated power: 5W
Heating mode: charging
Type of hand warming treasure: hand warming treasure
Model: M9
Color: pink, dark green, red, purple
Battery capacity: 3000mah, 4000mah, 5000mah
Endurance: 3-6 hours

Features:
Three second fast heating, fast heating, intelligent constant temperature, three gear adjustable, 3-6 hours of endurance

Packing list:

Warm Hands X1, Packing Box X1, Data Cable X1, Instruction Manual X1