Batteries Therm-Ic S-Pack 700 Powersock

With the S-Pack 700 Bluetooth battery, you can control your heat remotely using your smartphone.

Specifications

-Bluetooth function 

-Warm feet for up to 8 hours 

-Pack comes with a USB charger 

-Wall charger not supplied 

-S-Pack batteries are suitable for use with the Therm-ic PowerSocks heated socks