Unisex Adjustable Heated Vest with Battery Pack (Black,Size 1)

Size 1: recommended for women's S-M or men's XS-S; Size 2: recommended for women's L-XL or men's M-L; Size 3: recommended for women's 2XL-3XL or men's XL-2XL

Mid-back heating zone maximizes the feeling of warmth

This is the  first heated vest in the market with no zipper

Easily adjust for maximum comfort and warmth with the elastic waistband with Velcro

“Invisible” and convenient power button placed on an extended strip at the bottom

Carbon fiber heating element generates heat across your core body area (upper-back)

Adjust three heat settings (high, medium, low) with just a simple press of a button

Up to 11 working hours (4 hours on high, 7 hours on medium, 9 hours on low heat) with a fully-charged ORORO 4800mAh battery

Heats in seconds with a USB port that is compatible with most power banks on the market