This compact and solid battery provides up to 6 hours of warmth with the press of a button. It is easy to use and has three warming modes to bring your feet the gentle and constant warmth that they need. Characteristics:
3 warming modes for perfect warmth
6 hour battery life
Easy to clip on
Delivered with a universal charger (connector for use in EU/USA/GB)
2-year warranty (via Internet registration)
Set includes: 2x “One3” batteries – 1 universal charger – 1 pair of Volcano H insoles.