Feature: 1. UNIFORM HEATING: The electronic smart vest has 15 heating areas, and the temperature is evenly distributed to ensure a comfortable body feel. 2. 3 LEVELS CONTROL: Double control and 3 levels smart temperature control, press and hold for 3s to start the machine, adjust the temperature you need. 3. APPLICABLE PARTS: The vest has a long heating time, for the neck, abdomen, shoulder, back waist, etc., effectively locking the temperature and keeping warm. 4. FOR OUTDOOR USE: The electric heated vest is applicable to a variety of outdoor scenes, easily adapted to various cold climates, convenient and practical. 5. EASY TO WASH: The electric vest is washable without disassembly, and it is not easy to deform or lose thread after cleaning, with good durability. Specification: Item Type: Smart Heated Vest Voltage: 5V Gear: 3 levels Heating Area: 15 Weight: Approx. 377-437g / 13.3-15.4oz Material: PolyesterSize: XL: Length: 69cm / 27.2in, Shoulder: 42.7cm / 16.8in, Bust: 57cm / 22.4in, Hem: 47cm / 18.5in 2XL: Length: 71cm / 28in, Shoulder: 43.9cm / 17.3in, Bust: 59cm / 23.2in, Hem: 49cm / 19.3in 3XL: Length: 73cm / 28.7in, Shoulder: 45.1cm / 17.8in, Bust: 61cm / 24in, Hem: 51cm / 20.1in 4XL: Length: 75cm / 29.5in, Shoulder: 46.3cm / 18.2in, Bust: 63cm / 24.8in, Hem: 53cm / 20.9in. Package List: 1 x Heated Vest