Features:
Three heating modes
There are three heating modes for you to chooser freely, including 40 Celsius(for daily life), 50 Celsius(for working) and 60 Celsius(for outdoor), sufficing your different using needs.
Durable modal material
Made of high quality modal material, wear resistant and durable, not easy to get deformed or pilling, owning long using life span. Good breathable ability brings you comfortable using experience.
High elasticity and waterproof resistance
With two times higher elasticity then the normal fabric, the sock can cover you foot and ankle carefully, waterproof and washable, available to be used for many times. Good elastic design makes it universal for different sizes of foot.
Big battery capacity
Adopting 3.7v 4000mah big capacity power banks, the socks can support for long time working time, no need for recharging frequently.  
Double layers
Featuring in modal and cashmere double layers fabric structure, invisible heating way brings comfortable big area heating service, odorless and soft, reliable to use for daily life, perfect for cold winter.  
Specification:
Type: heating sock
Quantity: 1 set
Material: modal+ cashmere + plastic + electric component
Color: black / gray
Heating modes: three modes
Battery capacity: 4500mah *2
Voltage: 3.7v
Power bank size: 8*4.9*1.3cm/ 3.14*1.93*0.51inch(L*W*H)
Net weight: 450g/ 15.87oz
Package:
2* heating sock
2* power bank
1* cable
1* package box