Thermic S-Pack 700 Bluetooth Battery

By Sidas
Thin and compact, it fits perfectly with all models of Therm-ic heated socks. Fitted with Bluetooth© technology, you can now control all 10 heat settings via your smartphone, using the Thermic Heat Control App. Keeps your feet warm for up to 8 hours. Includes 3 manually controllable heat settings. Includes a USB charger.