Sennheiser HD 650 wired headphones

USB connectivity: No | Wearing style: Around-the-ear | Headphone sensitivity: 102 dB | Bluetooth: No | Recommended usage: Audiophile | Maxium load: 500 mW for EN 60-268-7 | Quantity: 1 | Connectivity technology: Wired | Cable length: 3 m | Product type: Headphones | Product colour: Titanium | Weight: 400 g | Adapter Jack 3,5 mm - Jack 6,3 mm: Yes | Harmonic distortion (THD): 0,05% | Impedance: 300 Ω | 6.35 mm connector: Yes | Headphone frequency: 10 - 41000 Hz | Warnings: Do not disassemble or modify the product yourself. | Microphone type: Not available | Transducer type: Dynamic, open | Magnet type: Neodymium