Siege Audio Alpha Stereo Ear Buds (Black) (Discontinued by Manufacturer) We go to great lengths to provide a quality listening experience, no matter how much jack you throw down We designed the ALPHA to be used with almost all ear types. The slim, tapered shape makes it comfortable no matter what the side of your head looks like Specs: Driver: Full Spectrum Sound 10mm, Frequency Response: 18-20kHz, Sensitivity: 104dB, Impedance: 16 Ohms, Cord length: 1.2 meters Package contents: The ALPHA Earbuds, Microfiber Transit Sleeve, SIEGE Icon Stickers Features: 10MM sound drivers, tangle-free woven cables, inline volume adjustment, slim tapered shape