100% Good Brand good quality <br />Supply category: spot<br />Type: earplugs<br />Headset Type: Ear Earphone<br />Ways to wear: <br />Plug diameter: 3.5mm<br />Plug Type: Straight Type<br />Whether the wireless headset: wired headset<br />Yes No Microphone: Yes<br />Sound principle: moving circle<br />Frequency response range: 20-20K (Hz)<br />Impedance: 32 ( )<br />Sensitivity: 96 (dB)<br />Distortion rate: 0.1 (%)<br />Wire length: 1.2 (m)<br />Speaker diameter: 10 ( mm)<br />Ear / Earmuffs: Silicone<br />Headphone cable material: TPE<br />Weight: 10 (g)