direct from their website:
"China 13-14.5TH Dogecoin ASIC Miner Second Hand Bitmain Antminer S9I With PSU
13-14.5TH Dogecoin ASIC Miner Second Hand Bitmain Antminer S9I With PSU
Model: Antminer S9I
Release: May 2018
Algorithm: SHA-256
Get Best Price Contact Now"
since when does the s9i mine doge coin using the SHA-256 al-gore-rhythm ?

This error, it seems that I can only go to my staff, but now most people just want to know the price, after all, they are very clear about the parameters of the machine