Experience fast and effective relief from pain, fatigue, and cramps with our PRIME BY JAVADUAN Electric Hot Water Bag. Designed for convenience, comfort, and safety, this multi-purpose heating bag is perfect for home, office, or travel use.---------How to Fill Your Hot Water Bag---Prepare Tools: Use a funnel, stopper, and 500ml bottle to fill your hot water bag.---Fill the Bag: Squeeze the bottle to fill the bag (max 1100ml). Remove excess air and secure the stopper tightly.---Wipe Dry: Clean the filler hole and charging port with a dry cloth before use.---Safety Tips------No Use While Charging: Avoid using the hot water bag when connected to power.---Use Original Charger: Only use the included charger. Place the bag flat during charging.---Keep Away from Children: Store safely while charging and unplug immediately after.---Avoid Dry Heating: Ensure the bag is filled with water before heating.---Protect Skin: Don’t let the bag touch skin directly during sleep to prevent burns.Enjoy the warmth and comfort of your hot water bag safely!