This is a lightweight portable intelligent massage products, through low-frequency stimulation of the muscles, relieve fatigue. No external device can be used independently, but also be a variety of Bluetooth phones APP mode selection. Say goodbye to fatigue, just 15 minutes a day. Suitable for areas that need massage wellness treatments, also applies to sedentary long standing crowd relieve neck, lumbar spine and limbs fatigue, but also for muscle relaxation after long tiring journey.