I am selling this item because I purchased a different product. It has only been opened. This is a 4-port USB charger with a maximum output of 70W, compatible with laptops. - Output: Up to 70W - Number of ports: 4 - Compatible devices: Laptops, smartphones - Safety features: Overcurrent protection, overheat protection - Charging standard: USB PD compatible Anker Zolo Charger 70W Thank you for looking.