Be the party anywhere you go with this uniquely designed portable microphone with built-in Bluetooth speaker and rechargeable battery. Pair your Bluetooth device to start singing your favorite tunes. The voice synching lighting effects are sure to dazzle your audience. Capture the crowd with the 22 professionally tuned vocal effects. Let your peers hear you on the crisp and clear speaker ready for any occasion. tabs-section features-start Portable Microphone with built-in Bluetooth speaker Lighting effects sync with your singing Li-ion rechargeable battery for over 4 hours of fun Micro USB port for unit charging Crisp and clear speaker Take-along tie cord to easily tie or hang onto bags, hooks etc… features-end specs-start Specifications What's included Micro-USB charging cable Tie-cord specs-end where-startwhere-end manuals-start SMM575 manuals-end