Bluetooth® Heat Control – With Therm-ic's new Bluetooth® function and the Therm-ic Heat Control mobile app, you can check and adjust the heat setting for your socks, insoles and gloves in real time using your smartphone.
S-Pack 700B Battery – Thin and compact. Keep your feet warm for up to 8 hours. Fitted with Bluetooth® technology, you can now remotely control the heat settings via your smartphone using the Therm-ic Heat Control app.
Includes USB Charging Cable (Wall Charger Not Supplied)
Easy Attachment of Batteries to the Sock
Washable up to 86°F