Metal speaker with controls for adjusting volume, play/pause, skipping songs, accepting/rejecting/redialing phone calls, a built-in microphone and led status indicator compatible with audio devices that have a 3.5 mm audio jack and wireless technology includes a usb/mini-usb charging cable and an audio cable with a 3.5 mm plug spectech-sound products have a one year limited warranty on electronic parts from date of purchase
