The C-Pack 1700 B batteries are the most effective in the range and thanks to the Bluetooth function you will be able to control the intensity of your heat remotely.
Features
Comes with a single control button
Pack comes with a USB charger
Wall charger not supplied
Specs
Up to 17 hours of heat
Suitable for use with Therm-ic Insoles HeatFlat, Heat 3D and Heat Kit range only.
