The product is a lot of 9 Avago AFBR-57F5MZ 16GB FC 850nm SFP+ Optical Transceivers. These transceivers are designed for high-speed network communication and are manufactured in China. With SFP network ports, they provide a reliable and efficient optical connection for various networking needs in enterprise environments. The Avago brand ensures quality and performance in these optical transceivers, making them a valuable addition to any networking setup.