Sennheiser IE 4 - Professional, miniature in-ear headphones (black)

Product type: In-ear headphones Wearing style: In-ear Recommended usage: Music Cable length: 1.4 m Product colour: Black 3.5 mm connector: 1 Package contents: Silicone Eartips (S, M, L) Connectivity technology: Wired Warnings: Read the user manual before use. Impedance: 16 Ω Ear coupling: Intraaural