Starkey custom charger is suitable for Starkey hearing aids with custom ear mould. The charger provides additional portable charging without plugging into the wall. The Custom Charger is compatible with Evolv AI, Livio Edge AI, Livio AI and Livio ITC/HS Rechargeable and ITE Rechargeable hearing aids. It contains LED light indicators and lithium batteries to charge your custom hearing aids. The charger includes a 2 year warranty.