Specification Product Name: Wired Earphones Driving unit: 10mm Interface type: 35mm plug Pointing: All Pointing Cable length: 1.2m Wire Material: Crystal Line Microphone: built-in Maximum power: 10 MW Horn resistance: 329 Microphone sensitivity: 42dB + 3dB Headphones sensitivity: 93 dB + 3 dB Frequency response range: 20-20000Hz Packing list: 2*Earphone(left+right) Notice: All images and descriptions are for illustrative purposes only. Product specification, functions and appearance may vary by actual usage. The color deviation is subject to actual system configuration and slight dimension difference is allowed due to manual measurement. We recommend you could check with sales for exact offers if need.