Comfortable on-ear cushions; Detachable headphone cable with microphone and volume control; 1/4 in. plug; Adjustable headband; Folds up for easy storage; Driver unit: 40 mm; Impedance: 32 ohms +/- 15%; Sensitivity: 104 +/- 3 dB; Frequency response: 10 Hz to 22 kHz; Weight: 6.8 oz.; Includes carrying bag;