This multipurpose portable bluetooth wireless speaker is made of plastic and metal. It offers up to 4 hours of battery life when fully charged. The speaker can be connected via bluetooth, or simply insert a micro SD card into the slot and play MP3 files directly from it. The cool LED lights dance with the music, giving you a feeling of being embraced by the music. Mini size makes it ideal for personal usage, indoor party, outdoor BBQ or picnic with friends and family. Your logo are welcomed.