The Hotronics Footwarmer S4 Custom installs on custom insoles, orthotics or any other type of insoles. With 4 available settings the Hotronics S4 will keep your feet warm for all cold temperature activities.
The S4 Custom comes with:
The batteries offer 3 base settings for your comfort and convenience. The fourth setting is timed, designed for a quick blast of heat, not for prolonged use.
The technology in the recharger protects the cells from overcharging and offers LED indicators for charging status.
The self-adhesive covers and strips are used to cover the heating elements on your insoles.
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