1. Hot compress with sound 2. Automatic power off without operation 3. Remote control operation, more convenient 4. Stretchable elastic arm design 5. Low frequency pulse technology, circular traction 6. The two massage heads closely fit the neck curve 7. 4 massage modes, 15 levels adjustable 8. Built-in 600 mAh lithium battery 9. Power supply mode: USB 10. Massage contacts: 4 11. Rated voltage: 5V 12. Massage time: 15 minutes/time 13. Weight with color box: 0.23kg 14. Dimensions: 14.5x14.2cm
