massage roller device
- 产品型号:
- TW5001
详细规格及用途描述
The invention of mechanism is to incorporate a DC output motor and worldwide exclusive patented dual screw into the transmission parts so that it can motivate the massage roller device going back and forth without adding extra components. This design has been going through a thorough reliability test, and wins enormous certificates in different nations like T?V attestation in Germany. 4, 8, 16 rollers are applicable in this product.
