Name: Heated Tank TopCondition: brand newGender: Male, FemalePower interface: USBFever areas: back * 6, neck * 1, abdomen * 2Power supply: Mobile power supply 5V/2A (not included)Function: Warm, waterproof, and cold resistantTemperature compensation: (manual adjustment)Heat: 45 degrees (red light)Comfort: 35 degrees (white light)Energy saving: 25 degrees (blue light)Seasons: Autumn, WinterThe package includes:1 x heated vest (excluding mobile power supply)function(1) Multiple heating zones and three temperature settings: carbon fiber heating elements generate heat in the waist, abdomen, and upper back; Three heating settings can be achieved with one click.(2) . USB charging: Convenient to charge. 5V2A mobile power supply must always be connected (this product does not include mobile power supply). When cleaning, remove the mobile power supply.(3) . Safety and health: Only 5V far-infrared heating, much lower than the human safety voltage of 36V. Stabilize the body's safe heat and tension. Suitable for better warming the abdomen and waist.(4) . Large area heating: The electric vest is equipped with multiple heaters, which have the function of promoting blood circulation and heating. It not only warms the stomach, back, waist, and abdomen, but also promotes blood circulation.(5) . Widely applicable: This heated vest is perfect for outdoor skiing, winter fishing, mountain biking, cycling, camping, snow hiking, hunting, outdoor activities, winter streets, daily offices, and more.(6) . Safe and lightweight: The upgraded heating system can provide comfortable warmth. Large surface area carbon fiber heater is safe and insulated. Comfortable and skin friendly, with a smooth touch and better warmth retention. It can help you easily pass the entire winter without the need to wear bulky clothes in cold conditions.Report:(1) Unplug the USB plug.(2) . Using a mobile power supply(3) . Press and hold the chest temperature control output switch for 3 seconds.(4) . Press and hold the chest temperature control switch for 3 seconds to start preheating. It is necessary to connect the mobile power supply at all times before adjusting to medium temperature heating.(5) . Manually adjust to the third gear, with a warm temperature of 45 degrees Celsius, a comfortable temperature of 35 degrees Celsius, and an energy-saving temperature of 25 degrees Celsius.(6) . Press and hold the chest temperature control switch for 3 seconds, turn off the lights, and stop heating. How to clean a heated vest: machine washable and hand washable. Do not twist or twist. Before cleaning, please unplug the power supply and ensure it is dry before heating.Kind reminder:1. If not used for a long time, do not connect or replace the charger2. Do not use high-temperature water or strong acidic cleaning agents.3. It is prohibited to use electricity on wet clothes. If the clothes are wet, turn off the power and stop using them.4. The usage time is determined by the capacity of detachable charging.Washing instructions:1. Remove the replacement charger.2. Neutral detergent can be used and then hand washed.