Fosmon Headphones Handsfree Headset with Jack Mic for LG Revolution / Tegra 2 - Black Premium super high measures approximately 55 inches long with silicone earbuds Integrated microphone with volume control lets you talk on the phone using your favorite headphones One-touch button lets you play/pause or music or end phone calls Compatibly with any 3.5mm headphone, earphone, headset or external speakers