10" Rechargeable Fan 10" Rechargeable Smart Power Fan, Four Power Options, Prioritizes Power Source, AC/DC Adapter Included, Car Charger Included, Rechargeable Batteries Included, Can Use 8 "D" Batteries Not Included, 2 Speed, Multiple Power Source, Portable & Easy To Carry, 72 Hour Battery Life Typical Use & 3 Hour Rechargeable Battery Life.