Daily care: Because of the principle of electricity inside the national standard hot water bag factory, so many times can not be cleaned directly. If the exterior is ceramic, use a dry rag to wipe, if there is a very difficult to clean substances or discoloration, you can dip some detergent wipe, and then wipe clean with a dry towel.
Notes on the use process: Now there are many fancy hand warmer bags on the market, the procurement of national standard hot water bags can give you a choice of rechargeable hand warmer, so that not only insulation to avoid the temperature is too hot, but also to ensure the appearance of rechargeable hand warmer. To ensure safety, you must read the product manual in detail before first use; import products before use to confirm that the power supply voltage and the product's calibration voltage; use the hand warmer to avoid bumping, dropping and flooding of the product.
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