e+p CMP 5. Ear coupling: intraaural, Wearing style: In-ear, Headphone frequency: 20 - 20000 Hz. Connectivity technology: Wired, Headphone connectivity: 2.5 mm, Cable length: 2 m. Packaging type: Blister. Audio adapters included: 3.5 mm This is an auto-generated long summary based on the first three features of the first five feature groups.