Brand: Zippo. MPN: 40609. Battery and heat indicator lights   Rechargeable 4,400 mAh lithium ion battery for lasting reliable warmth - up to 6 hour run time   Charges USB compatible devices including; mobile phones, Mp3 players, tablets, cameras, etc.   Up to 120°F / 50°C operating temperature with high and low settings for adjustable and comfortable warmth   Model Number: Z4A20