This Dual pack of Powersheer Micro Rechargeable Li-ion batteries are compatible with Fieldsheer Standard Heated Socks, Thermal Heated Socks, and Merino Heated Socks. Control your heat levels on your socks by a press of the battery or Wireless remote button to select between High, Medium and Low heat. Recharge using the included Micro USB to USB cable for hours of heat.
Specifications:
Two batteries, 4-button wireless remote control & Micro USB Charge Cable included
Specifications:
*When using 5V 1A USB wall charger