Rechargeable and Safe: Designed for convenience, this hot water bag is rechargeable, eliminating the need for boiling water. It features explosion-proof technology for safe and reliable use Double Hand Warmer Design: The unique double hand warmer pockets provide extra comfort, allowing you to warm both hands simultaneously Soft and Comfortable: Made from plush material combined with high-density PVC, offering a soft and cozy touch while retaining heat effectively Efficient Heating: With a power rating of 420W, it quickly heats up to keep you warm. The 220V voltage and 50Hz frequency make it suitable for most household outlets Portable Size: Compact at 19x27cm, it's perfect for use at home, in the office, or on the go, providing warmth wherever you need it Specifications: Material: plush + high-density PVC Size: 19*27cm Voltage: 220V Power: 420W Frequency: 50Hz Notes: 1. The hot water bag is not filled with water when it is shipped. You need to fill it with water after receiving it before you can use it. Just fill it with water according to the instructions. 2. It can also be used as the liner of a waist warmer. The patterns of different batches will also be slightly different. 3. When filling water, you may accidentally spill water on the hot water bag. Please wipe it dry and then dry it before charging. 4. The hot water bag can be used for a whole winter with only one filling (do not fill it with water repeatedly). 5. The hot water bag has an automatic power-off function, which will automatically cut off the power after it is fully charged.