Features:
Colour: Grey/Red/Black/Pink/Deep Blue/Green and White/Green and Yellow
Voltage: 3.7 V
Fabric: Cotton, spandex
Heated Area: Front instep
Battery: two 3.7V rechargeable Li-ion batteries
Heat Setting: 3 Levels Temperature Setting- High (Red), medium (Orange) and Low (Green).
Packing list:
1x (1) pair of socks
2x 3.7V Li-ion batteries
1x AC charger