Dynamic LED Lights Portable Bluetooth Speaker with Built in Microphone, FM Radio, Multi-function Magic Dancing LED Colorful Music Lights Hi-Fi sound is delivered from 8W subwoofer drivers (while the chamber adds incredible bass) Build in 72 Led lights dynamic change as the sound volume and beats change 1500mA rechargeable Li-Ion battery charged through Micro USB port,6 hours of playing and LED light effects on a single charge Compatible and easily pairs with all Bluetooth-enabled devices.Non Bluetooth using the audio input, USB disk and Micro SD card memory,enjoy various music formats and content from a variety of media players Built in Microphone,Hands free for receiving call