High-end custom sex dolls often include advanced features that set them apart from standard models, catering to users seeking the ultimate realistic experience. Among the most popular are ultra-realistic skin textures and detailed facial features that can be customized for individual preferences. Movable joints and flexible skeletons allow for natural posing and comfort during use, providing a range of positions that mimic real human mobility. Internal heating systems are highly sought after, as they simulate body warmth and add to the overall realism. Sensory features, such as embedded tactile sensors and responsive movement, create a more interactive experience, responding to touch and commands. Some high-end dolls incorporate voice modules or AI-powered features that enable basic conversations, adding an emotional dimension. Advanced models may also include customizable hair options, realistic body hair, and detailed skin textures like veins or freckles for added authenticity. Additionally, durable materials and high-quality craftsmanship ensure longevity and a premium feel. These features combine to create a highly personalized, immersive experience that appeals to discerning users looking for the most lifelike and satisfying companionship.