Feature: 1. Thick high-grade crystal velvet fabric, skin-friendly and soft, keeps warm and locks temperature, and is not easy to fall down 2. The wiring is uniform and the workmanship is delicate 3. Intelligent automatic mechanical charging, the power supply has an intelligent switch, when the temperature of the hot water bottle reaches the critical point, the power is automatically cut off, safe and explosion-proof, save worry and effort 4.10 minutes to fully charge the product and warm it up overnight, the charging time is 7-10 minutes, and the heat preservation is 6-8 hours Specification: Color: Green, Pink, Gray, brown Material: PVC+cotton velvet Rated power: 500W Rated voltage: 220V Power supply mode:US charging Size: As the picture shows Package contains 1*Charging hot water bottle (There is no water in the hot water bag) 1*Charging Cable Notes: 1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding 2. Due to the difference between different monitors that the picture may not reflect the color.