The black EM3 Open Earbuds from FiiO feature an in-line microphone with remote and large 14,8 mm dynamic drivers to immerse you in a music environment. They can be used to monitor audio for several devices such as smartphones, MP3 players, CD players, recorders, and more. The earbuds have an impedance of 47 Ohms to ensure they can be driven from a wide range of amplifiers. They deliver powerful bass with realistic tone quality and bring detail to the soundstage. Furthermore, the simple aerodynamic style is easy on your eyes and ears. Small and lightweight and weighing only 13,6 g, the earbuds guarantee long-term wearing and provide good acoustic coupling. In addition, the integrated in-line microphone and remote allow you to answer calls on your smartphone and enable you to control the music easily. - Sensitivity: 109 dB - Frequency response: 20 Hz - 20 kHz - Cable length: 120 cm - Colour: Black.