The headphone cable is not easy to wrap and it is easy to use. Three-key button design, light and quick response. Features: Compatible for most of Samsung phone. Double channel design provides you with rich and authentic timbre. Strong high and low tone units. The buttons are light and responsive. In-ear design prevents noise intrusion. Wear a high elastic ear cap to make you more comfortable. Specifications: Item type: Earphone Color: White Frequency response: Approx.20Hz~20kHz Speaker impedance: Approx.32Ω Sensitivity: Approx.93dB SPL/mW Line length: Approx.1.2M Headset plug: 3.5mm universal plug Package weight: 45g / 1.58ounce Package size: 145 * 70 * 30mm / 5.7 * 2.75 * 1.18inch Package list: 1 * Earphone 4 * earplug 3 * Silica gel earplugs