Product information:

Upper material: cotton
Applicable gender: neutral/male and female
Whether to pack with: Yes
Colour:
1Set: thermostat gray (with 4000MA lithium battery + charger),
2Set: Thermostatic black (with 4000MA lithium battery + charger),
3Set: thermostat gray (with 4000MA lithium battery + charger),
4Set: thermostat black (with 4000MA lithium battery + charger)
Size: one size
Style: American
Style: warm foot socks
Heating method: electric heating
Power supply: Power bank, battery box (No. 5 battery), lithium battery

Packing list:

A pair of socks*1
Lithium battery*2
Charger*1