ANKIPO's rechargeable eco-friendly hot water bottle, which can keep warm for up to 12 hours with a 15-minute charge. Power-on confirmed, it has become warm, but please note that the temperature display screen is not working. - Brand: ANKIPO - Product Name: Rechargeable Eco-Friendly Hot Water Bottle - Function: Keeps warm for up to 12 hours with a 15-minute charge - Included: Charging cord - Design: Fur material cover Used a few times, but I am selling it because I no longer use it.