1.with purple PU material material one big motor turning and massage function it have four model you can use it at different speed and strenghth. 2.This model belt massager has an extra belt we can choose if using this belt because some clients are fat but other are not when need the fat client can use the extra belt. 3.The belt massager has a self protected function when the time exceeds 10 minutes the machine will automatically stop so that user won’r use it exceedly. 4.This model has an beautiful remote control board they have stable control function. The belt massager is with one handbag and color box so user can take it easier. 5.now this model is one of the most popular massage belts.