Rubberized, IPX4 water resistant casing with a suction cup on bottom (do not submerge), push buttons for adjusting volume, play/pause, skipping songs, accepting/rejecting/redialing phone calls and a built-in microphone. Certified IPX-4 Tested: Water splashed on the speaker from any direction is not harmful to the device. Only compatible with devices that have wireless technology. Includes a USB/2 mm plug charging cable. spectech-sound products have a one year limited warranty on electronic parts from date of purchase