Impedance (Ohm): 314 Ω (1 kHz) (when connecting via the headphone cable with the unit turned on), 32 Ω (1 kHz) (when connecting via the headphone cable with the unit turned off)
Frequency Response (Bluetooth® Communication): 20 Hz - 20 000 Hz (Sampling frequency 44.1 kHz)
Passive Operation: Yes
Ambient Sound Mode: Yes
Volume Control: Yes
Sensitivity (dB/mW): 110 dB/mW (when connecting via the headphone cable with the unit turned on), 100 dB/mW (when connecting via the headphone cable with the unit turned off)