JBL J55a BLK High Performance On Ear Headphones with JBL Drivers, Rotatable Ear Cups and Microphone, Black (Discontinued by Manufacturer) Premium, high-performance JBL drivers.Connectivity Technology: Wired Universal one-button remote with built-in microphone Rotating, 180-degree DJ pivot mechanism Soft leather ear cushion with closed-back design Single-sided, detachable cable with rugged strain relief