Headphone:
Driver: Graphene 1.97 in,
Magnet: Neodymium,
Frequency Response: 20 Hz-20 KHz,
Impedance: 38 Ohms,
Sensitivity: 87.8 dB SPL @ 1 mW & 1 cm,
Microphone:
Microphone Pickup Pattern: Cardioid (Unidirectional),
Type: Electret Condenser,
Size: 0.24 in,
Frequency Response: 100 Hz-10 KHz