Built-in 1.33" x 39" LCD display with Track & ID3 song information</br>Mp3?? wma & wav format</br>Water-resistant (IPX8) for both music player & headphones</br>Calculates distance?? time?? steps taken & calories consumed</br>Lap counter calculates laps & time</br>Mp3?? Wma and Wav Format</br>Built-in 1.33'' X 0.39'' Lcd Display With Track and Id3 Song Information</br>3 M Water Depth For 3 Hours--meets Ipx8 Rating Of Waterproof Certified For Both Musi