... Soft &comfortable for long-time wearing In ear colorful bluetooth earphone(BT-PE11) Product specifications:Style: In ear;Driver Unit: Dia 9 mmFrequency ... ;Material: Plastic;Color: Red,white,green, black, optional Features:Colorful and extremely small earbuds;Small and soft silicon rubber ear ... playing;Suitable for computer, media player,mobile phone, etc. In ear colorful bluetooth earphone(BT-PE11)