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2, timer / automatic shutdown function: set the time according to personal needs, no operation after 30 seconds after turning on the automatic rest screen function, does not affect the use of heating. Overheating temperature over 75 degrees has the heating pad automatically shut off to prevent overheating caused by burns, to ensure safe use.（timer 1-4 hours）

3, skin-friendly machine washable: the heating pad with double-sided perforated embossed fabric is super soft, soft, comfortable and skin-friendly, remove the controller, you can machine wash at 30 degrees below the water temperature, simple and convenient.