HOMEIMAGE Stainless Steel Electric Wine Bottle Opener HI-KP372, micro USB for Charging - 2015 New Model Classic Stainless steel rechargable design with Glowing LED when in use Opens up to 60 bottles per charge. Standard Micro B USB Receptacle allows this corkscrew to be charged with any Micro B USB plug / cable. Lithium-ion battery with Longer battery life & slower self-discharge compared to traditional batteries Takes only 1.5 hour to fully charge the battery