tens massager with slipper, low frequency massager, digital therapy machine Description:1. It is obviously effective to alleviating the symptoms of cervical spondylosis, periarthritis, arthritis, and lumbar muscle strain 2. It can ease peripheral nerve palsy. 3. It can ease myalgia. 4. It can promote blood circulation5. It can remove fatigue.6. Four proper therapeutic modes: vibrate thump, ...