1. Three-speed adjustment, timing temperature control
2. Carbon fiber heating wire, fast heat conduction speed
3. Application: long-distance driving, sedentary sitting during childbirth, excessive waist usage
4. Material: ABS + crystal velvet
5. Purpose: Stretching the lumbar spine
6. Applicable parts: waist, back
7. Power supply mode: USB
8. Features: healthy material, bump massage, high elastic support, arc stretching, lying and sitting, easy to carry
9. Weight: 731g