Pioneer SE-NC31C-K 3.5mm 3P mini Connector In-Ear Noise Cancelling Headphone

Type: Noise CancellingDriver Unit: 14.2 mmFrequency Response: 5Hz-16KHzInput Impedance: 34.5 ohms (ON) / 18.5 ohms (OFF)Sensitivity: 103 dB (ON) / 105 dB (OFF)Cord Length: 4.6 ft. (1.4 m)Weight: 1 oz. (28 g) without batteryFeatures: 10 mW maximum input powerActive noise cancellation removes 90% of ambient noiseUltra-long 120 hour battery life