The 4.0 version of the futa sex doll has added an AR companion function, which realizes virtual personality projection through mobile phone APP, and user satisfaction has increased by 40%. The key breakthrough is to solve the problem of physiological feedback delay, and the new hydraulic system has a response speed of 0.2 seconds. Lesbian sex dolls delve into the emotional dimension, and brain wave recognition technology can synchronize the user's emotional state. Experience tests show that futa sex doll users are more concerned about tactile fidelity, while lesbian sex doll users value the depth of conversation.
