As long as the Bank of China dual-currency credit card that has opened international VISA can pay directly in British pounds. The handling fee is 1.5. You can check the pound exchange rate by checking the Bank of China.

Check whether the Bank of China dual-currency VISA credit card you are using is denominated in US dollars or British pounds. If you open the US dollar, it is calculated by converting the price of pounds into US dollars, and then converting US dollars into RMB. In other words, there are two conversion exchange rate losses from pound to dollar to renminbi. The exchange rate during conversion is calculated based on the quoted price on that day.

In addition, Bank of China visa debit cards are not all in US dollars, but also include British pound visa debit cards. For example, with the "National Debit Card for Study Abroad", you can use the U.S. dollar, euro, Japanese yen, Hong Kong dollar, pound sterling, Canadian dollar, Australian dollar and other foreign currencies already in the card to make purchases at overseas merchants or cash withdrawals at ATMs. Payment does not require currency conversion, effectively reducing exchange rate conversion costs for overseas transactions.

Extended information:

Bank of China Great Wall Cross-border International Debit Card, which can be used to withdraw cash or spend money at overseas VISA/MasterCard network ATMs in US dollars, euros, Japanese yen, and Hong Kong dollars , British pound, Canadian dollar, Australian dollar, Swiss franc, Singapore dollar, Macau pataca dollar, South Korean dollar, Danish krone, Norwegian krone, New Zealand dollar, Philippine peso, Russian ruble, Swedish krona, Thai baht, South African rand*** Total 19 Payment in the original currency is made in a foreign currency without currency conversion.

At the same time, starting from March 2019, the dual-currency card will waive cross-border remittance fees and telegraph fees during the scholarship issuance period (the waived fees are only the charging standards of Bank of China’s domestic institutions. If an agent bank is involved For clearing, the agent bank will charge a transfer fee; some receiving banks will also charge an entry fee. Currently, there are no unified standards for transfer fees and entry fees in various countries, and the remitting bank cannot predict the fees, and the actual deduction situation shall prevail).

Bank of China - Debit Card Products - International Debit Card for National Government-sponsored Study Abroad

Baidu Encyclopedia - Bank of China Dual Currency Credit Card