In-ear wireless headset with microphone $ 4.26 Type: earphone, headset Headphone type: in-ear headphones Wearing method: in-ear Headphone output audio source: portable audio-visual Plug diameter: 3.5mm Plug type: straight plug type Whether wireless headset: Wired headset Is there a microphone: yes Sounding principle: moving coil Frequency response range: 20 (Hz) Impedance: 32 () Sensitivity: 100 (dB) Distortion rate: 1 (%) Wire length: 1.2 (m) Horn diameter: 10 (mm) Earplugs/earmuffs material: silicone Headphone cable material: crystal cable