KZ ZAX in-ear headphones

Headphone type: in-ear headphones
Headphone output audio source: HiFi
Plug diameter: 3.5mm
Plug type: L-bend type
Sounding principle: ring iron
Frequency response range: 10-40000 (Hz)
Impedance: 24 (Ω)
Sensitivity: 113 (dB)
Lead wire length: 1.25±0.05 (m)