The ActionHeat 5V Battery Heated Insulated Flannel Shirt is the perfect blend of style and function. With a layer of comfortable insulation, it can be worn as an outer layer or underneath a heavier jacket or vest. The insulated flannel is perfect for someone on a work site, going to a ballgame or any outdoor activity. You can now look stylish while staying warm and cozy in all conditions. The ActionHeat flannel shirt comes with a super powerful ActionHeat 5-Volt 6000maH Power Bank. This power bank powers your garment and can also charge your phone, tablet, or any USB charged device. Note: Heating times will diminish if used to charge other devices. A touch-button LED button with 3 different heat settings, Low, Medium, and High, provides easy heat controls on the shirt.  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 warming and enjoy outdoor winter activities longer than ever before. 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 on the chest for 3 seconds. Press touch-button to adjust the temperature. Features: Machine Washable - Gentle Cycle The powerful Tri-Zone heating system includes 3 built-in heating panels, strategically placed on the chest and upper back to warm your core body temperature. Touch-Button Control Technology (3 settings) 4 LED power indicators display power banks battery life. Battery Voltage: 5-Volt Power System: 2 amp Heats up to 150F Colors: Red Flannel  Estimated Heating Times: High (Red): 150F – 2+ Hours Medium (White): 130F - 3+ Hours Low (Blue): 110F – 4.5+ Hours Material Contents: Heating panels made with ultra-fine carbon fiber An advanced heat-trapping insulated layer Water resistant material sheds rain and snow Includes: (1) ActionHeat 5V Heated Insulated Flannel Shirt (1) ActionHeat 5V Power Bank (6000mAh) (1) USB Charging Kit