Features: Temperature locking and keeping warm: cashmere heating fiber combines with temperature locking technology to form a dense temperature locking structure, which can store heat and keep warm.
Fast heating: through the internal energy rapid heating technology, the power can be rapidly changed at the moment of start-up, improving the energy conversion efficiency in a short-time, and fast heating.
Three gear temperature regulation: clicks the power switch to switch gears. Low temperature: 45 ℃, medium temperature: 52 ℃, high temperature: 60 ℃.
One size fits most foot types. It is light and portable, and will not affect wearing due to overweight. High elasticity, close to the foot without restricting the foot, no sense of bondage, and prevent deformation.
Washable: It does not fade. It can be washed after the battery is disassembled. Machine washing is not recommended.
Specifications: Material: Polyester+Spandex
Size: Approx. 38×11.5cm/14.96×4.53inch
Battery Capacity: 1800mah (6.66wh) X2
Input: 5V 2A
Power Output: 3.7V
Recommended Storage Temperature: 0°C-60°C
Package Includes: 1x Heated Socks
note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.