Size:X-Large Description:1. Product Name: Smart USB charging heating vest men's cotton collar collar warm heating cotton vest jacket2. Material: fabric nylon + lining polyester fiber + carbon fiber heating sheet3. Features: Intelligent three-speed temperature control can be adjusted, warm and warm, suitable for winter wear4. How to use: (1) Remove the USB plug (2) Access to mobile charging power (3) Press the chest temperature control output switch (4) Press and hold the chest temperature control switch for 3 seconds, start to warm up and then adjust to the medium temperature heat. (5) Manual adjustment to third gear, warm temperature 45 degrees Celsius, comfort temperature 35 degrees Celsius, energy saving temperature 25 degrees Celsius (6) Press and hold the chest temperature control switch for 3 seconds, turn off the light to stop heating6. Note: Do not use for a long time, please do not connect to mobile power Do not use hot water or strong acid detergent Do not use electricity for wet clothes. Please turn off the power and stop using the rain. The usage time depends on the size of the charging capacity. Do not connect directly to the power charger, please use the mobile charging connection as a power supply The package includes:1x Intelligent Heating Vest Electric Vest
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