WH-1000XM2 WH-1000XM2 http://www.sony.
WH-1000XM2 MIC Optimizer NC OFF NC/AMBIENT NC ON NC/AMBIENT “Optimizer Start” NC ON NC/AMBIENT ×2 NC/AMBIENT AMBIENT ON NC ON NC/AMBIENT http://rd1.sony.net/help/mdr/wh1000xm2/h_zz/ NC/AMBIENT Sony Headphones Connect http://rd1.sony.