With its 40 mm powerful speakers of, the Coloud Hello Kitty Class headset is designed for true audiophiles! Thanks to its 3.5mm jack and built-in microphone, the Hello Kitty Class headset suits most mobile phones and digital players. What"s more, these headphones boasts an original design that"s sure to turn more than a few heads! General: Product Type : Headphones Recommended Use : Portable audio system Headphones: Headphones Type : Headphones - binauralHeadphones Form Factor : Ear