3.5 mm jack plug incl. screwable adaptor 3.5 mm to 6.35 mm
 Fits:

DT 440 / DT 440 Edition
DT 660 / DT 660 Edition
DT 770 / DT 770 Edition  / DT 770 PRO / DT 770 PRO HT
DT 860 / DT 860 Edition
DT 880 / DT 880 Edition / DT 880 PRO
DT 990 / DT 990 Edition / DT 990 PRO
T 70 / T 90