Eleeels R4 Back Massager

- Restores natural S-shaped curve of the spine- The first lumbar traction device enables up and down, left and right multi-angle traction through its independent dual airbags design- Vibration massage with different frequencies- 3 heat levels ranging from 42°C to 49°C- Red Light / Blue Light penetrates deeper into the waist- 10 levels of low frequency EMS massage penetrate 3-5cm into the muscles to release knots and trigger points- Dual battery system for 2-hour continuous use