【High-Efficiency Heating】 Fully charges in approximately 15 minutes and can maintain heat for up to 8 hours. It warms up quickly, allowing you to feel the warmth immediately. 【Compact Size】 The main body size is 18cm wide x 26cm deep, and it comes with a thermal cover, making it convenient for carrying and storage. - Product Name: TTC-U2 Fower Rechargeable Hot Water Bottle - Power Consumption: 300W (Maximum Power Consumption) - Charging Power Supply: AC 100V 50/60Hz - Charging Time: Approximately 15 minutes - Usage Time: Approximately 4-8 hours - Main Body Size: 18cm wide x 26cm deep - Thermal Cover Size: 20cm wide x 27cm deep Although it is an unused item, it has been stored at home, so please purchase only if you understand this. Thank you for viewing.