HANDSFREE function
 The headphones have a microphone and a multi-function button.
 Connection to new versions of iOS
 Sensitivity: 92 dB +/- 3 dB
 Impedance: 16 ohm +/- 15 %
 Frequency range: 20 - 20 000 Hz
 Connector: Lightning
 Cable length: 1.2 m
 Speaker size: 10 mm
 HANDSFREE function
 The headphones have a microphone and a multi-function button.
 Connection to new versions of iOS
 Sensitivity: 92 dB +/- 3 dB
 Impedance: 16 ohm +/- 15 %
 Frequency range: 20 - 20 000 Hz
 Connector: Lightning
 Cable length: 1.2 m
 Speaker size: 10 mm