Amazon Power Bank W005 4000mAh/3.7V/14.8Wh , USBC to USBC/USB , Light Blue
Amazon brand power bank , light blue colour on box with charger and instructions. W005 4000mAh/3.7V/14.8Wh USBC input/output DC 5V/2.4A or USB DC5V /2.4A . This was opened but has never been used.