How does Binance Pay work exactly? Specifically for something like Play-Asia.

Hey guys, so im kinda new on using binance, opened it a pair months in the past and have acquired some funds via it that i have used to buy stuff after exchanging it for my foreign money by way of p2p, what im wondering right now's how precisely how binance pay work for web sites, or if anybody here has experience particularly with buying from play-asia with the tactic, im serious about importing a few jp solely video games by way of the location and its either utilizing binance pay instantly, or exchanging to my foreign money and using a debit card (which i feel loses me around 5-10$ after change charges in comparison with the quantity the binance pay choice says), how does the transaction go exactly, is it automated after linking accounts or something like that or would you need to send the usdt to an specified account? Respect any enter on this.