Ng??i ch?i có th? theo dõi và tham gia nhi?u kèo c??c h?n ?? t?ng kh? n?ng n?ng th?ng c??c và ki?m ???c kho?n th??ng l?n.  For the best sound comparison, we recommend deciding upon your brand name and model of headphones in the proper-hand column, or If the headphones usually are not stated, you may hire certainly one of our Listening Kits.?