RK8601
Kangtai’s RK8601 pairs dual 4D massage mechanisms with a heated core and automatic leg adjustment. The export catalogue also lists a health-index test and OTA programs. It does not explain an AI decision process, so this remains a smart-feature reference rather than a verified AI flagship.

Key features
- Dual 4D four-hand mechanism
- WSL rail; heated mechanism
- 19-cm automatic leg adjustment
AI features and evidence
Unspecified health-index test; sensing variables undisclosed. Automatic leg adjustment; health-test-to-massage linkage unproven.
- Unspecified health-index test; sensing variables undisclosed.
- Automatic leg adjustment; health-test-to-massage linkage unproven.
- Learned user profiles not documented.
- Voice operation not documented in reviewed text.
- OTA programs advertised; AI/cloud architecture undisclosed.
Selection context
Manufacturer export-catalogue New Products entry; local retail model, flagship status and launch date unverified.
Limitations
Health variables, sensor type and their effect on massage are undisclosed. OTA and automatic extension are not AI evidence.
Featured and new models are checked against official sources. Priority goes to manufacturer-claimed AI with specific inputs and adaptation; voice-only controls and presets are separated. Order is not a performance ranking or paid endorsement. No hands-on or clinical comparison was conducted.