Cac bac co xai qua loai bluetooth headphone chua? Loai nao nghe ro~ nhat, deo vao tai ko bi dau, thoai mai va ko bi. rot khi chay coi~ chu`n chay. dzong` dzong? :-)) Con loai Sony Ericsson HBH-660 hay HBH-662 thi sao, loai nao moi ra nhat' dzi. ?
Xin chi dum...cam on cac bac...