Happy Plugs In-Ear Yellow does what no other headphone does. It combines high performance audio, fashionable colors and a stylish design at the same time. Ears come in all different shapes and sizes, so our silicon eartips come in different sizes too. With eye- catching color and ear comfort – Happy Plugs In-Ears are made to fit you perfectly. They work with all smartphones on the market and have a built-in mic and remote.