Innovation in its finest form- this wireless speaker has a built-in microphone for nonstop sing-along fun, echo/volume controls, a micro SD slot, LED lights and most importantly, it's rechargeable! Bring it to your next pregame event and let the singing adventures unfold. The fun doesn't stop here! The microphone can also be used for instrument recording, interviews, Podcasting and more! Compatible with iPhones, iPads, android phones, tablets, PC and other laptops.