Ski gloves    USB Warm Gloves   Hand Warmer Gloves
  Easy to use, plug and play
USB powered, safe and secure
Wrist guards is for soft and comfortable for long time computer users.
Washable design. Please remove the inside heating plate before you wash it
Perfect gift for everyone including yourself
Glove Size: 18x15.5x7cm
Weight:6.70oz

Specification:
Operating voltage: 5V ± 0.5
the frequency of power: 50HZ
temperature range: 40 ~ 50 °C
heating time: 1 ~ 3 (min) 
Low power consumption, high security and energy conservation