Battery Powered Heated Blanket Zonli Battery Powered Heated Shawl utilizes innovative technology designed to warm your body as you cuddle under the blanket. Zonli revolutionary products feature built-in heating panels and are made with material that provides lightweight warmth, comfort, and versatility. Zonli Battery Powered Heated Shawl items use FAR infrared heating and ActionWave heat reflective technology to deliver hours of heat and comfort. It allows you to stay warming and enjoy outdoor winter activities longer than ever before. Whether you are working in the office, riding in a car, lounging on the couch, or cheering on your favorite sports team, the Zonli Battery Powered Heated Shawl will keep you warm! Features: 3-7.5 hours heating time 3 personal heat setting Therapeutic warmth 100% polyester Machine washable 1-year limited warranty FC CE ROHS Listed Touch-Button Control Technology 20000mAh Battery    HOW TO USE: Charge Up - Fully charge power bank with the provided charger kit. Plug-In - Connect the power bank to DC plug. Turn On - Press and hold touch-button control for 3 seconds. Press touch-button again to adjust the temperature.