This is a set of high-yield, recycled ink cartridges: 5 black HP 804XL cartridges and 1 color cartridge. These are recycled ink cartridges for HP (Hewlett-Packard) printers, with remaining ink level indicators and supervised by Japanese technicians. ★All black cartridges are unused and unopened, but the color cartridge is unused but opened. The recommended use-by date is unknown. Please purchase only if you understand the above information. Compatible models: HP Tango/ENVY Photo 6220, etc. Certifications: ISO14001, ISO9001, RoHS, REACH, CE mark. Colors: Cyan, Magenta, Yellow Product Specifications Compatible Manufacturer: HP Compatible Models: ENVY Photo 6220 / ENVY Photo 6222 / ENVY Photo 7822 / ENVY Photo 7820 / HP ENVY Inspire 7220 / HP ENVY Inspire 7221 / HP ENVY Inspire 7920 / HP Tango / HP Tango X Compatible Part Number: T6N11AA Type: Recycled (remanufactured) ink Capacity: High-yield Print Yield (Color): Approximately 415 pages Ink Type: Dye-based Ink Level Detection: Supported IC Chip: Included Certifications: ISO14001 / ISO9001 / RoHS / REACH / CE mark