1. This is a kind of EMS foot massager, adopts EMS technology, which is the elicitation of muscle contraction using electric impulses. The impulses mimics the signals coming from the central nervous system, causing the muscles to contract. EMS is proven to be quite effective as a proactive tool for muscle strengthening. 2. The soft pad is comfortable and neatly fits the contours of your skin, and can distribute pulses effectively. You can massage your feet muscles anytime and anywhere you want, such as working, watching movies, or doing housework. Features: 1. The traditional massage only has to knock and squeeze 2. We use intelligence to capture acupoints. 3. Massage is also available for all foot types and sizes 4. Oversized cushions can cover large areas of discomfor 5. Use it for 15 minutes when you go to bed at work all night 6. Massage before bed is also a wonderful thing