details of product

The descriptions for this product are taken directly from Amazon so don't blame me for bad English or misspellings. The prices you see are what I am asking for each item.
Item: TN-660 TN660 High Yield Toner Cartridge Replacement for Brother TN660 TN 660 DCP-L2540DW HL-L2320D HL-L2340DW MFC-L2700DW MFC-L2720DW MFC-L2740DW HL-L2380DW Printer(1 Pack)
Date Received: 10/8/2025
Item Price: $19.96
My Price: $15
Amazon Link: Amazon link; link opens in a new tab
Item Description: Package Contents :1-Pack TN660 TN-660 High Yield Toner Cartridge
Compatible With DCP-L2520DW DCP-L2540DW HL-L2300D HL-L2305W HL-L2320D HL-L2340DW HL-L2360DW MFC-L2680W MFC-L2700DW MFC-L2707DW MFC-L2720DW MFC-L2740DW HL-L2380DW Printer
Page Output Yields: Up to 2,600 pages Per TN660 Black Toner Cartridge (letter paper /A4 paper, 5% coverage)
About Products: TN 660 Toner Cartridge efficient output printing capacity, clear printing, high quality products can achieve stable and effective office effect, saving time and cost for each customer
Each product is automatically produced in strict accordance with ISO 9001 and ISO 14001 STMC standards, with strong compatibility, high-definition printing.