Prospera’s Jade Personal Massage Cushion delivers the healing power of jade in a soothing massage session. With its double pair of kneading heads and two serpentine Xiuyan jade stones, the Jade Personal Massage Cushion can be used the neck, shoulders, back, thighs, calves and more. Jade is rich in calcium, magnesium and iron—essential minerals for the body. The kneading mechanism delivers rotating and spot shiatsu massage directly to your spots of tension. Each of the four massage heads gives a deep tissue Shiatsu massage, helping loosen tight muscles by encouraging blood flow. You can use one of two automated massage programs or apply the massage manually. Speed is adjustable. This is a perfect personal massager for both the home and office. Product comes with serpentine Xiuyan jade stone certificate.