Auto-off safety feature - shuts off after 20 minutes.

Full massaging seat with shiatsu roller massager in center panel.

Hand control with extra long power line cord to control on/off back roller massage settings.

On/off seat vibration setting and on/off power switches.

Powerful vibration motor on seat.

Soft polyurethane foam seat cushion (compliant with California non-flammability regulations).

Seat is covered in executive finish and center back roller section is covered in soft jersey fabric.

2 adjustable seat straps secure seat to chair.