9 Area Double Control Blue USB Electric Heating Undershirt Intelligent Warm Vest(XL)

1. Many heating zones and 3 temperature settings: Carbon fiber heating elements generate heat in the waist, abdomen and upper back; 3 heat settings at the push of a button.
2. USB charging: Connect a 5V 2A rechargeable battery (mobile power is not included in this product). During the cleaning process, the external battery must be removed.
3. Safety and health: Far-infrared heating requires only 5V, far below the human body's safe voltage of 36V.
4. Large area heating: electric heating cotton clothing built-in multiple heaters, with the function of blood circulation, not only can warm the stomach, back, waist and abdomen, but also can promote blood circulation.
5. Suitable for outdoor skiing, winter fishing, mountain biking, cycling, camping, snow hiking, hunting, outdoor assistance, daily office, etc.
6. Comfortable and skin-friendly, soft to the touch and better warmth. It can help you spend winter easily
7. Upgrade four control / dual control, you can choose the heating zone temperature control separately

Parameters:
1. Material: polyester fiber
2. Filling: cotton down
3. Power supply interface: USB
4. Power supply: 5V/2A mobile power (not included)
5. Function: warm, waterproof, cold-resistant
6. Applicable age: adult male/female
7. Temperature change: (manual adjustment)
-Warm: 45 degrees Celsius (red light)
-Comfort: 35 degrees Celsius (white light)
-Energy-saving: 25 degrees Celsius (blue light)

Tips:
1. Do not connect the mobile charger if it is not used for a long time.
2. Do not use hot water or strong acid cleaning agent.
3. Do not use electricity on wet clothes, and turn off the power when the fabric is wet.

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