Nouna | Headset | Wearing style Head-band | Calls/Music | Headset type Binaural | Colour Cyan | Volume control Button | Foldable Yes | Designed for children Yes | Sound pressure level (max) 90 dB | Adjustable headband Yes | Connectivity technology Wired | 3.5 mm connector Yes | Ear coupling Circumaural | Headphone frequency 20 - 20000 Hz | Headphone sensitivity 92 dB | Box quantity 1