OYAIDE (oyaide) HPC-35/1.3m3.5 stereo &rarr; stereo mini 3.5 HP) for headphone cable HPC35 Compatible models: SENNHEISER HD 205, HD 215 / ULTRASONE PRO 550, PRO 650, PRO 750, PRO 2500 PRO 900, DJ1 PRO, HFI-2200, 550 Proline, Proline 650, Proline 750, Proline 2500 /