FX Earphone and Iphone Splitter Adapter White Plug and play, connect the 3.5mm earphone to the mobile phone, support charging and listening to music at the same time, and listen to music while charging the smartphone at the fastest speed. You can enjoy a high-quality life. No additional software is required, Connect it to your phone to use it. Make your life easier. The adapter is light and compact, very portable, easy to carry.