RunPhones Microphone are light-weight headphones for active people seeking safe, comfortable headphones compatible with phone calls. RunPhones performance headphones from Acoustic Sheep feature a patented "headphone in a headband" design combining ultra-thin stereo headphones with a comfortable wicking headband. RunPhones fit snugly, plug into most media players and permit a slight amount of ambient noise for greater safety. No clunky earbuds or headsets; just on-the-go comfort that's music to your ears.