In 2025, multi-functional sex dolls have become increasingly popular, offering features that go beyond basic companionship. These versatile dolls often include integrated heating systems that simulate body warmth, adjustable firmness, and even built-in vibrators for enhanced pleasure. Some models feature modular designs, allowing users to customize body parts or add accessories like massage functions or sensory stimulators. Advanced dolls come equipped with AI-enabled capabilities, enabling them to engage in conversations, recognize voice commands, or respond to touch with varying intensities. Many are designed with realistic orifices that are easy to clean, along with removable, washable internal linings for hygiene. Some dolls incorporate smart technology, allowing control via mobile apps, so users can personalize settings or update responses. Additionally, certain models include features like synchronized breathing, heartbeat simulation, or even scent-emitting systems for a more immersive experience. The combination of these multi-functional elements makes these dolls suitable for both physical intimacy and emotional engagement, catering to a wide array of personal preferences. This innovation in design ensures users enjoy a more realistic, customizable, and satisfying experience in 2025.