Brand: Samsung 2.Series: EHS64 3.Color: White 4.Connection: Wired 5.Wearning Method: In-ear 6.Interface: 3.5mm 7.Sensitivity: 93dB 8.Length: 1.2m 9.Frequency Response: 20Hz-20KHz Feature: 1.Samsung EHS64 3.5mm three-stage gold-plated plug, used only in most mobile phones, to ensure that the signal transmission process without distortion of sound quality, plug more wear! 2.Receiving and answering phone calls through the in-line microphone and answer key.Wired remote volume (+ -) control 3.In-ear noise reduction design, with noise isolation effect, sound quality is even more moving!Ergonomic wear design.