Characteristics:
*1. Adopt carbon fiber heating wire, which has fast heating speed, stable performance, environmental protection and energy saving.
*2. Double control switch design, 15 heating zones and 3 temperature settings: Carbon fiber heating elements generate heat on the waist, abdomen and back, promote blood circulation and keep you warm.
*3. Use a USB universal interface. To ensure the best heating effect, it is necessary to use a mobile power supply with 5V/2A output.
*4. Thick lining, warm and breathable, soft and comfortable touch, warm to wear, providing continuous warmth for shoulders, back, waist, abdomen and more.
*5. The power interface should be insulated and waterproof, no need to disassemble, and can be washed by hand or machine.

Description:
*1. Size (EU): S/M/L/XL/XXL
*2. Material: Polyester fiber
*3. Fabric: nylon

Instructions:
*1. Pull out the USB plug.
*2. Access to the mobile charging power source.
*3. Press and hold the chest temperature control output switch for 3 seconds.
*4. Long press the chest temperature control switch for 3 seconds, start heating, and then adjust it to the medium temperature when you need to always connect the mobile power.
*5. Manual adjustment between 3 gears. Warm at 50 degrees Celsius, Comfortable at 40 degrees Celsius and Energy saving at 30 degrees Celsius.
*6. Press and hold the chest temperature control switch for 3 seconds and turn off the light to stop heating.

Package Included:
1 x Heating Vest (without power supply)