Asahi Denki ELPA Closed-Back Headphones, 2m+3m, RD-OH50

Unit: 40mm diameter Frequency Range: 20-20,000Hz Sound Pressure Sensitivity: 108dB/mW Input Power: 100mW Cord Length: Approx. 3.0m (with volume control) Plug: φ3.5mm gold-plated straight stereo mini plug Weight: Approx. 188g (excluding cord) Accessories: 2.0m extension cord