Miccus BluBridge headphones Water resistant, Bluetooth Stereo headphones for Wireless Music and Calling (Black) Simple - Use with any Bluetooth capable phone or iPod touch for high quality wireless music and calling. Convenient - Light-weight, sweat and waterproof designed to help simplify your mobile lifestyle. Flexible - Built in microphone with noise suppression for clear, crisp phone calls. Easily switch between calls and music Comfortable - When used with the silicone ear cups the BluBridge headphones provide a custom fit immersing you in full rich stereo sound Operating times- Up to 9 hours of music or 8 hours of talk