Heated Sleeveless Vest Regular Fit For Men Without powerbank: Works with 2 powerbanks (not included) 1 heating level, on/off switch Up to 3 hours of non-stop heating Compatible with all powerbanks with USB-C output, extra batteries available in the 30seven store Flexible heat: control the upper part with the right powerbank, control the lower part with the left powerbank Rapid power: Works with 2 powerbanks (included) 1 heating level, on/off switch Up to 3 hours of non-stop heating Compatible with all powerbanks with USB-C output, extra batteries available in the 30seven store 2 powerbanks + chargers included (dual charger available separately) Flexible heat: control the upper part with the right powerbank, control the lower part with the left powerbank Super power: Works with 1 powerbank (included) 4 heating levels Up to 5 hours of heating Only compatible with the 30seven super powerbank Powerbank + charger included Features: Thin and compact: can be worn on top of or underneath your clothes Centre front closure, full length YKK-zipper Hot spots: neck, shoulders, kidneys and lower back 2 exterior pockets : battery connection(s) in zipped pocket(s) Heating element integrated in the jacket Specifications: Material: Shell: 100% nylon Lining: 100% nylon Padding: 100% polyester Care Instructions: Washable on cold program (30°C) Do not dry clean or do not use dry-cleaning fluid Do not bleach Do not iron 30seven Men's Heated Regular Fit Sleeveless Vest - 5 Volt