USB double-sided heating gloves

USB gloves for electric heating products
Advantages: fever on both sides (palm and back of hand)
Specification: male and female flip
Other parameters:
USB cable: 1.7m long 1-in-2 glove is hot (with DC plug, can be pulled out to wear gloves alone)
Voltage: 5V
Heating material: double side heating (palm and back heating)
Temperature: 40-50 ℃