... audio with unique appearance and black colors.Aluminum diaphragm micro-speaker, insure the sound quality.Circular design, exquisite appearance, with ... "MODE", "Stop/Pause","EQ". "Back/volume down", "Next/volume up", "ON/OFF"Ports including: 3.5mm stereo port, Micro SD, USB ... can enjoy perfect stereo sound produced from the metal speaker.This compact travel speaker is ideal for use at the office, home ...