AcousticSheep SleepPhones Microphone Breeze Headphones (One Size Fits Most) Reduce ambient noise, conversations, traffic sounds, even snoring Free SleepPhones iPhone app Luxuriously soft headband made with hypoallergenic machine-washable fabric Standard 1/8th inch (3.5mm) audio jack fits most media players Convenient microphone allows for phone calls while on the go