How to buy Bitcoin with Razer gold gift card?

Can you explain the process of purchasing Bitcoin with a Razer Gold gift card in detail? Is it a straightforward transaction, or are there any specific steps I need to follow? Additionally, are there any fees associated with using a Razer Gold gift card to buy Bitcoin, and if so, how are they calculated? Also, what are the benefits of using a Razer Gold gift card for this purpose, compared to other payment methods? Finally, is this method of purchasing Bitcoin secure, and what measures can I take to ensure the safety of my transaction?