first timer and needed a lot of help and did not and still do not know if i did what i was after .i know i needed it last nite because of my illness and i have know idea if i got some or not so i would say very little help . i know i was lost. i am sorry but it's been along time since i paid or bought this stuff and you compare it to earphones. All i can say i think i bought some but i do not know if idid and for how much........?????????