What's in the box:

Hot Socks Men's And Women's Elastic Wire Electric Heating Socks Adjustable Temperature Lithium Battery 3.7V Electric Heating Socks (B2)

This kind of hot socks adopts far-infrared hot compress, intelligent temperature control, mobile power supplys, no fear of washing, plush thickening.

Features:
Not afraid of the cold, cold resistant, lasting heat, comfortable to wear, quick heating, intelligent temperature control, easy to use.
Long endurance and long service life.
It can be washed with water. The power interface is waterproof and easy to wash by hand.
With seamless technology, it is comfortable to wear with no trace, close fitting, simple style without losing fashion.
Plush thickening, double-layer fabric, one-piece molding.
Hiddingheating plate, integrated with socks, can be pulled at will, does not affect the fever.

Specifications:
Material: cotton+chinlon+spandex
Color: gray, black (optional)
Battery: 3.7V, 2200mA, 3.7V, 4000mA (optional)
Item size: 320 * 180 * 100mm / 12.6 * 7.1 * 3.9in
Item weight:
2200mA: 330g / 11.6ounce
4000mA: 380g / 13.4ounce
Package size: 190 * 105 * 70mm / 7.5 * 4.1 * 2.8in
Package weight:
2200mA: 350g / 12.3ounce
4000mA: 400g / 0.9lb

Packing List:
1 * Socks