Zippo HeatBank 3 Rechargeable Hand Warmer SILVER - 40509 The HeatBank rechargeable hand warmer keeps you warm from the office to the woods. The convenient power bank features black, silver, green, orange, and blue models and recharges your USB compatible device, so you can stay connected while enjoying the outdoors. FEATURES Charges USB compatible devices including; mobile phones, Mp3 players, tablets, cameras, etc. Dual sided heat up to 113F /45C 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 BENEFITS Easily fits in out of pockets Reusable, less waste than disposable warmers Perfect for staying warm inside offices or short outdoor activities Keep your hands warm in chilly weather Quickly shows the selected heat settings battery remaining Provides continuous gentle warmth on both sides Hand Warmer Specs: Height: 3.63? Width: 1.63? Depth: 0.59? Weight: 0.14 lbs. Warranty: 1 year Note: This product does not use any fuel or burners.