Despite rapid advancements, current sex doll technology still faces notable limitations. One primary challenge is achieving full realism in movement and responsiveness; many dolls have limited joint articulation and lack natural fluidity, which can detract from the immersive experience. AI capabilities, while improving, often fall short in delivering truly nuanced conversations or emotional interactions, resulting in interactions that may feel scripted or superficial. Additionally, materials used, such as silicone or TPE, while realistic in appearance, can have issues with durability, staining, and maintenance. Sensory features like touch and temperature are improving but are not yet fully authentic or capable of replicating the complexity of human sensation. Power sources and wiring also limit mobility and flexibility, restricting movement range and responsiveness. Moreover, high costs associated with these advanced features make them inaccessible to many potential users. Ethical considerations around dependency, privacy, and objectification further complicate widespread acceptance. Overall, while technology is progressing rapidly, current sex dolls still have room for improvement in realism, responsiveness, durability, and affordability to truly replicate the depth of human intimacy.