HD-HYNUDAL&reg; K5 Portable Mini 3.5mm Earphone Karaoke Mixer Singing Machine Converter for iPhone 5 4 Samsung S4 S3 iPod PC Tablet White This is karaoke converter for Smartphone/Tablet/Smart TV ,Without karaoke software. Your Smartphone/ Tablet should be download and installed a karaoke software by yourself. And connect to this box,you could singing with your friends together with 2 small dynamic microphones It is special for karaoke car Small and portable.Your family could use it Singing in the car when long travel . Fashionable&Special gift for your family,friends