Ailihen G10 2015 New In-Ear Hi-Fi Earbuds Earphones with 1-Button Control for Phone/ Tablet/ Mp3/4/ Laptop/PC/ Computer(Black) Adjustable Bass & treble: When the lever is adjusted to B, bass headphones will be strengthened, when the lever is adjusted to M, will restore the factory settings; when the lever is adjusted H, bass will be weakened to some extent, the treble will get better performance In-Line Microphone: The in-line microphone on the G10 allows for easy conversation on any audio device In-Line Control: The in-line control allows you to answer a call by pressing the button while being used on a mobile phone S/M/L Silicone Tips: This earbuds comes with three (3) different Silicone tips to comfortably fit your ear shape and size Sleek Flat Cable: The flat cable design in G10 helps in reducing cable tangles as well as provide a sleek and modern look for your lifestyle