Performance characteristics Hands-free: yes Integrated microphone: yes Frequency response lower limit (Hz) : 10 Frequency response upper limit (Hz) : 23000 Impedance at 1 KHz (Ohm) : 26 Music load capacity (mW) : 1000 Max. sound pressure (dB) : 103 Transducer diameter (mm) : 30 NdFe magnet: yes Cable remote control: yes Call acceptance button: yes Connection Cable feed: Cable feed on both sides Connection cable length (m) : 1.2 Connection: Connection via jack plug (3.5 mm) Housing properties Weight without cable (g) : 113 Ear coupling: Ear coupling, resting individually foldable ear cups: yes rotatable ear cups: yes Colors Housing colors: black