3.7v Powersheer™ Micro Sock Batteries and Cable 2 Pack

Designed specifically for Fieldsheer’s Premium 3.0 Merino Men's and Women's heated socks, and the older Premium 2.0 model, the Powersheer® Micro BT Battery delivers reliable warmth in a compact, calf-contoured form. With built-in Bluetooth wireless control you can adjust temperature and monitor battery level right from your phone or smart watch, Apple and Android compatible. Download the MW Connect App and you're ready to go.