wireless headphones with microphone, add-on, dynamic emitters, connection: radio channel, range frequency: 15-21000 Hz, impedance: 62 Ohm, volume control
wireless/wired headphones with microphone, add-on, dynamic emitters, connection: 3.5mm mini jack / Bluetooth, range frequency: 13-27000 Hz, impedance: 65 Ohm, volume control
wired headphones with microphone, add-on, dynamic emitters, connection: 3.5mm mini jack, range frequency: 15-25000 Hz, impedance: 41 Ohm, volume control
wired headphones with microphone, monitoring, dynamic emitters, connection: 2 x mini jack 3.5 mm, range frequency: 10-28000 Hz, impedance: 32 Ohm, volume control
wireless headphones with microphone, add-on, dynamic emitters, connection: 2 x mini jack 3.5 mm, range frequency: 10-28000 Hz, impedance: 32 Ohm, volume control