Feature:1. Small size (only 14.2mm, 500g), convenient for daily use and travel. You can put it in your pocket.2. Type C interface to quick charge:It adopts 2000mAh lithium battery and supports type-C fast charging. 10 minutes per day you can use it consistently for 90 days, no longer worry about the power.3. Four speed levels adjustable:1st speed level: 1100 rollers to wake-up muscle2nd speed level: 1800 rollers to relax muscles3rd speed level: 2500 rollers to lactate decomposition4th speed level: 3200 rollers to deep massage4. The newest noise reduction ultra-quiet technology: It adopts floating motor, filtering the vibration generated when the machine is running Duplex bearing drive makes the machine run more quietly, 38mm high-power brushless motor can explode strong power and keep silent running at the same time.5. The weight is only 500g and easy to handheld or carry on.