Safe Materials & Ergonomic Design: All wine parts use accepted food safe materials Designed with simple controls on both opener and aerator for comfortable handling during home incidents or celebrations Rechargeable Battery & Standard Charging: Powered by sustainable lithium batteries with common charging port The aerating pourer can process over 30 bottles per full fee for extended use Effortless Opening & Efficient Aeration: Features 35mm wide opening electric corkscrew for smooth uncorking The built in aeration channels in the electric wine pourer quickly oxygenate wine while pouring, cutting traditional decanting time by 15 20 minutes Air Preservation Feature: Comes with vacuum wine stopper that removes air from opened bottles, maintaining wine for about seven to protect original flavor Four Piece Wine Tool Collection: This wine accessory set provides a complete approach for opening, aerating, serving and preserving wine in single package Includes battery powered bottle opener and aerating pourer for enhanced wine enjoyment