In the midst of a chill in the AI wearable device market, the smart glasses launched by Meta and Ray-Ban have surprisingly emerged as a dark horse. The success of this product not only brings a glimmer of hope to the AI hardware industry but also offers new insights into the future direction of wearable devices. Over the past year, the AI wearable device market has experienced a journey from enthusiasm to disappointment. Once highly anticipated products like the Humane AI Pin and Rabbit R1 failed to deliver on their promises, reminiscent of the smart glasses and augmented reality hype from ten years ago.