Universal in-ear headset. Perfect for everyday use. It allows you to enjoy your favorite music wherever you are. Equipped with a microphone for making calls. The built-in multifunctional button allows you to easily control the sound being played with just one hand.The built-in microphone allows you to talk. Universal - equipped with a universal 3.5 mm audio plug. The compact design makes it easy to store the product when not in use. Long cable (1.2m) for comfortable use. One-touch operation allows you to control your music player and answer phone calls, as well as switch songs. Specification: Speaker: 10 mm Impedance: 32 ? ± 15% Frequency response: 20 ~ 20,000 Hz Sensitivity: 92db ± 3db Audio plug: O3.5 mm Weight: 13 g Cable: TPE Length: 1.2 m Microphone: controller with microphone