Feature:1. Electric heating vest, using high‑quality SBR material, soft in texture and comfortable to wear.2. Ultra‑low voltage, adopts universal USB interface charging, suitable for any type of power bank.3. With 5 heating zones, the back and both sides of the abdomen and waist are heated, suitable for winter use.4. The vest whole body is waterproof and washable. The power bank needs to be removed during .5. Suitable for outdoor skiing, winter fishing, cycling, camping, snow trekking, hunting, winter attendance, office, etc.Specification:Condition: 100% Brand NewItem Type: Warm VestMaterial: SBRLining Composition: PolyesterSoftness Index: SofterThickness: GeneralNumber of Layers: 2 LayersColor: BluePower: 10WVoltage: 5V / USB InterfacePower Supply: 5V/2APower Supply: Power bank or mobile phone charger (not included), ordinary power bank can last 3-4 hoursWaterproof Level: Washable or Machine WashableWeight: Approx. 412g-531g / 14.5oz-18.7oz Size (Optional) M L XL XXL XXXL Shoulder Breadth 38cm / 15.0in 40cm / 15.7in 42cm / 16.5in 44cm / 17.3in 48cm / 18.9in Chest Circumference 100cm / 39.4in 104cm / 40.9in 108cm / 42.5in 112cm / 44.1in 118cm / 46.5in Clothes Length 62cm / 24.4in 63cm / 24.8in 64cm / 25.2in 65cm / 25.6in 66cm / 26.0in User's Guidance:3-speed thermostat automatically skips (preheating function)1. After connecting the thermostat to the power supply (battery), the red, blue and green indicator lights flash once, press the button for 3-5 seconds to turn on, enter the preheating mode, the LED displays red, high-end output, output power 100 %, about 60℃, use for 5 hours, short press for 1 second to switch2.
