Because of the deep discount, this is a final sale. This product is not eligible for refunds or exchanges and is not covered by our warranty.NOTE: This is an open box item. The product itself has been tested and deemed fully functional."Open-Box" may mean one of the below:Damaged PackagingDiscontinued VersionUnused Returned ItemThe ActionHeat Vest Liner is a great option for those who want to stay warm without all those bulky layers. Designed to be worn over another garment and under a jacket, the ActionHeat heated Vest Liner keeps your torso warm. ActionHeat battery heated apparel utilizes innovative technology designed to warm the core body temperature. These revolutionary garments feature built-in heating panels and are made with ActionFlex material that provides lightweight warmth, comfort, and versatility.ActionHeat heated garments use FAR infrared heating and ActionWave heat reflective technology to deliver hours of heat and comfort. ActionHeat allows you to stay warm and enjoy outdoor winter activities longer than ever before. Whether you are ready to ride around town on your motorcycle, hunt, tailgate, or enjoy the chill of the season, the ActionHeat 5 Volt Heated Vest Liner is ready to keep your warm!HOW TO USE:Charge Up- Fully charge power banks with provided charger kit.Plug-In- Connect the power bank to USB plug located in the pocket.Turn On- Press and hold touch-button control for 3 seconds. Press touch-button again to adjust the temperature.Features:Machine washable gentle cyclePowerful Tri-Zone heating system includes 3 built-in heating panels, strategically placed on the chest and upper back to warm your core body temperatureTouch-Button Control Technology (3 settings)4 LED power indicators display power bank battery lifeZip frontBattery Voltage: 5-VoltPower System: 2 AmpColors Available: BlackMaterial Content:100% nylon exterior100% polyester interiorEstimated Heating Times:High (Red): 130F - 2+ HoursMedium (White): 110F - 3+ HoursLow (Blue): 90F - 4.5+ HoursIncludes:(1) ActionHeat Vest Liner(1) ActionHeat 5V Power Bank (6000mAh)(1) USB Charging Cord Open Box ActionHeat 5V Heated Vest Liner