An exclusive collaboration with Zippo, this The HeatBank rechargeable hand warmer is a convenient power bank that keeps your hands warm on-the-go while also recharging your USB compatible device, so you can stay connected while enjoying the outdoors. Featuring an exclusive Buti logo design for a one-of-a-kind FP Movement touch. Charges USB compatible devices including; mobile phones, Mp3 players, tablets, cameras, etc. Dual sided heat up to 113°F /45°C operating temperature with high and low settings for adjustable and comfortable warmth Battery and heat indicator lights Rechargeable 2600 mAh Lithium polymer battery (included) for lasting reliable warmth - up to 3 hour run time Easily fits in & out of pockets Reusable, less waste than disposable warmers Provides continuous gentle warmth on both sides