Cov khoom siv hluav taws xob

Txais tos mus yuav cov khoom siv electrode ntawm tus nqi sib tw los ntawm peb lub hoobkas. Raws li ib qho ntawm cov khoom siv hluav taws xob loj tshaj plaws thiab cov chaw muag khoom, peb ib txwm nyob ntawm koj qhov kev pabcuam.