Drivers: 40 mm dynamic drivers with JBL QuantumSOUND SignatureFrequency Response: 20 Hz – 20 kHz; Impedance: 32 Ω; Sensitivity: 96 dB SPL @1 kHz/1 mW Microphone: Detachable voice-focus boom mic (100 Hz–10 kHz; –42 dBV sensitivity) with flip-to-mute Cable: 1.2 m wired 3.5 mm with universal compatibilityWeight: ≈ 220 g