Compatible with (but not limited to):
+ Lightweight On-Ear Headphones
+SONY MDR-ZX400,MDR-XFB950BT/AP MDR-ZX100, MDR-ZX300, MDR-ZX310,MDR-ZX330 ,MDR-10RBT MDR-ZX450,MDR-ZX610,MDR-ZX660AP,MDR-ZX102DPV, MDR-XB300, MDR-XB400, MDR-XB610,MDR-XB620, MDR-XB800, MDR-NC60, MDR- XB600
+Sennheiser HD218?HD228?HD238?HD219?HD229?HD239 ?HD220?HD408
+Bose QuietComfort QC15, QC3, QC2, QC25, AE, AE2, TP -1, OE, OE2, OE2i, On-Ear
+Grado M1, SR225,SR60, SR80, SR325, SR325e, RA2, RS1, PS500 +ATH-SJ1,SJ3, SJ55, ATH-ES5, ATH-ES55, ATH-ES7, ATH -SQ5, ATH-ESW9, ATH-ESW10
+JBL, E40BT,E50BT,TMG81W, TMG81B, ON-EAR J03B, J03S Tempo +Panasonic RP-HTX7
And many other headphones