Conrad, Headsets, models:

91 39 51	Operating Instructions
91 41 70	Operating Instructions
92 20 17	Operating Instructions Manual
93 01 02	Operating Instructions
93 03 04	Operating Instructions
BT 20	Operating Instructions Manual
BT 20S	Operating Instructions Manual
BT-923686	Operating Instructions
BT25II	Operating Instructions Manual
G-Star HS-317UV	Operating Instructions
TW-260A	Operating Instructions