ActionHeat 5V Battery Powered Universal Jacket Heaters revolutionary design allows you to turn any jacket into a heated jacket within seconds! The Revolutionary Tri-zone heating system fits discreetly inside your jackets lining providing hours of high performance warmth to the front and back of your torso. 3 adhesive-backed easy-closure patches and the lightweight yet durable construction make this versatile heating system easily installed, removed and transferred between garments, without any added bulk. ActionHeat battery heated apparel utilizes cutting-edge FAR infrared heating and ActionWave heat reflective technology, designed to warm you core body temperature. ActionHeats industry leading battery powered heating technology and innovative designs allow you to stay warm while enjoying outdoor winter activities for longer than ever before. HOW TO USE: 1. Install- Install easy-closure patches and heating system to your jackets lining 2. Charge Up - Fully charge power bank with provided charger kit. 3. Plug-In - Connect the power bank to USB plug located inside pocket 4. Turn On - Press and hold touch-button control for 3 seconds. 5. Choose Heat - Press touch-button again to adjust the temperature. Features: Fits discreetly inside your jacket 3 panel heating system heats front and back of torso Lightweight yet durable construction easy-closure backing makes heating system easy to install, remove and transfer between jackets Touch-button temperature control provides easy access to the 3 heat settings Power bank can power your jacket heater & charge your phone at the same time 4 LED power indicators display power bank battery life Battery Voltage: 5 Volt Power System: 2 Amp Material Contents: Soft mesh Estimated Heating Times: High (Red): 150F - 2+ Hours Medium (White): 130F - 3+ Hours Low (Blue): 110F - 4.5+ Hours Includes: (1) ActionHeat Battery Powered Universal Jacket Heater (1) Adhesive-backed easy-closure Installation Kit (1) ActionHeat 5V Power Bank (6000mAh) (1) USB Charging Cord