美国采购需求：光学眼镜，金属眼镜，金属框太阳镜，光学镜架，眼镜架，眼镜框

I hope this message finds you well. I'm reaching out to inquire about your smart glasses, specifically regarding the possibility of obtaining a complimentary sample. I'm very interested in evaluating their features and quality firsthand, as our company is considering incorporating a new line of smart eyewear into our product offerings. If you could provide a sample, it would greatly assist in our assessment and decision-making process. Please let me know what information you might need from me to facilitate this request. I'm eager to explore the potential of your smart glasses and see how they align with our needs. Thanks in advance for your assistance!