USB 2.0 plug built into the player for speedy wireless file transfer</br>One AAA Battery for up to 20 hours of usage time</br>MP3 and WMA audio files supported</br>Flash drive capable of use your player as a flash drive to store data</br></br>Product Description</br></br>see attach word document</br><br/>http://www.amazon.com/gp/product/B00376XC1I