Is this website legit to buy from?

Could you please enlighten me on the authenticity of this website? I'm considering making a purchase, but I'm a bit hesitant due to the numerous fraudulent platforms online. What assurances do I have that it's legitimate? Do they have any verified customer reviews or testimonials? Also, is their payment system secure, and do they adhere to standard data protection regulations? Moreover, how do they handle returns and refunds in case something goes wrong with my order? It would be helpful if you could provide some insights into these matters. Thank you for your assistance.