Docooler?travel Loudspeaker Wireless Bluetooth Speaker Multimedia Mobile Loudspeaker USB &3.5mm FM Radio Subwoofer Hands-free w/ Mic TF Card slot for iPhone 6s 6 Samsung LG Notebook Tablet SK-03 SK-03 is a 4 in 1 Multifunctional Speaker: Wireless Bluetooth + MicroSD / TF Card MP3 player + 3.5mm Wired Connection Speaker + FM Radio, Supporting playing Bluetooth wireless music, playing music of the TF card. SK-03 comes with 3.5mm audio jack, providing a simple wired connection of a variety of music players (Such as, Smart Phones MP3 / MP4, Desktop, laptop, NoteBook, etc) without Bluetooth function. SK-03 has High-performance of anti-interference, high-speed data transmission and stable performance. SK-03 with High-performance speakers, delivering clean and great sound quality, the sound will fully fill the room. SK-03 uses Handel Design, bringing you much convenience, for example, you can hook it on your bag, bicycle, etc.