Generic Skull Head Shape Portable Wireless Bluetooth Speaker for Desktop PC/Laptop Notebook/Mobile Phone/MP3/MP4 Player-Black high definition sound Unique,innovative,outstanding design Compatible with for iPod/iPhone/iPad from every generation(Bluetooth) Smartphone compatible(bluetooth or line-in 3.5mm) Compatible with CD player or any other audio source through Libe-in 3.5mm Rechargeable battery-10 hour of aytonnomy