【Easy to Use】: The wired headset has a built-in microphone and key control, which is very convenient to operate. In-ear headphones allow you to operate without having to operate your phone, and just by pressing a button. 【Soft and Highly Elastic】: The in-ear headphones are made of soft and highly elastic TPE material with copper wire and fiber material inside. High-quality material makes wired headphones more . 【IPX7 Waterproof】: The in-ear headphones have IPX7 waterproof performance, so there is no need to worry about the intrusion of rain and sweat. In-ear headphones let you experience clear sounds! 【Wide Compatibility】: The in-ear headphones use high-quality φ3.5MM international standard plugs, suitable for all smartphones, tablet terminals, computers, and other devices with 3.5mm headphone jacks. 【Efficient Sound Insulation】: Wired headphones have strong sound insulation and will not be affected by surrounding noise. The in-ear earphone adopts an in-ear structure with strong sealing force, which fits the ear.