Specification:Color: Dark Blue, Red, Grey, BlackSize: M, L, XL, 2XL, 3XLMaterial: Cotton + PolyesterVoltage: 5VOutput: USB 5V/ 2A3 Mode Temperature Adjustable(High, Middle, Low)Warm: 45 (Red Light)Comfort: 35 (White Light)Energy Saving: 25 (Blue Light)Features:Built-in portable source storge pocket, easy travel.Back & front abdomen zone fever, covering the cold area.Set the temperature you want to respond to a variety of environments.A button to heating, three stall temperature control, intelligent heating.The fashion is warm, comfortable and breathable, and it’s a good partner for your winter going out.General USB interface power supply, longer service life, removable hats, anti water splashing and washable.How to use:1. Remove the USB plug2. Access to mobile charging power3. Press the chest temperature control output switch4. Long press the chest temperature control switch for 2 seconds5. Red light flashes for automatic temperature control heating6. After the red light flashes for 5 minutes, the automatic white light is controlled in Chinese.7. Manual adjustment has third levels, red light for continuous high temperature heating, white light for continuous medium temperature heating. Blue light for continuous low temperature heating8. Press and hold the chest temperature control switch for 2 seconds, turn off the light to stop heatingWashing Instructions:1. Take out the power bank.2. Neutral detergent is available and then hand wash.3. Do not force knead or beat.4. After nature air drying can be use.Note:1. Please take out the power bank before washing.2. If not used for a long time,please do not plug in power bank.3. Do not use high temperature water or strong acid detergent.4. Forbidden to use electricity for wet clothes, please turn off the power and stop using if cloth is wet.5. Useing time depending on the capacity of power bank.6. Power bank is not included.Package Included:1 X USB Heated Hooded Coat