Superior JBL sound, with bass you can feelThe 3 sizes of ear tips that are included allow you to choose a sizethat gives you the most comfortable listening experience even for longerlistening periodsOne-button universal remote with mic: Answer and manage your callseffortlessly, with the touch of a buttonDriver Size: 9mmWorks with Android and iOS devicesFrequency Range: 20Hz to 20kHz3.5mm connector with 1.2m long cable