Intelligent HeatingStay in charge of your warmth with smart temperature management. Choose from three adjustable levels (40°C to 60°C / 104-140°F). The high, medium, and low settings provide Durable and SafeDiverging from conventional warmers, this model boasts a reusable battery coupled with multiple safety layers. Be safeguarded against over-voltage, over-charging, over-current, and short circuits Extra Backup PowerMore than just warming, it transforms into a power bank, charging iPhones and Android devices. All in a compact, travel-friendly design