does work but it caused me to have a muscle spasm and is now 5 inch bulge in my neck waiting to see doctor being new years eve doctors not available yet , working out how to use correctly is somewhat a task in itself once known how to use it means you have a become a nuclear scientist , when timer finishes it turns off ok but you must set the timer before starting you can not adjust the timer during operation ,

does work but it caused me to have a muscle spasm and is now 5 inch bulge in my neck waiting to see doctor being new years eve doctors not available yet , working out how to use correctly is somewhat a task in itself once known how to use it means you have a become a nuclear scientist , when timer finishes it turns off ok but you must set the timer before starting you can not adjust the timer during operation ,

does work but it caused me to have a muscle spasm and is now 5 inch bulge in my neck waiting to see doctor being new years eve doctors not available yet , working out how to use correctly is somewhat a task in itself once known how to use it means you have a become a nuclear scientist , when timer finishes it turns off ok but you must set the timer before starting you can not adjust the timer during operation ,