Field Caller – Elk Calls is a simple, but effective hunting tool that allows you to make the perfect elk calls every time. This application is so simple and easy to use, but contains 8 high quality elk calls that match the competition.FEATURES*8 high quality elk calls*Simple and easy to use*Over sized buttons for easy playback*EffectiveINCLUDED ELK CALLS*Cow Elk*Calf Cow Elk*Elk Bellow One*Elk Bellow Two*Elk Bugle*Adult Elk Bugle*Young Elk Bugle*Elk Bugle GruntPlease note, that some phones and tablets can not reproduce these high quality sounds correctly. If you are not satisfied with the quality of the sounds, then I would recommend getting a an external battery powered speaker.Amazon has a great portable battery powered speaker that I use, and recommend. You can find this product at http://www.amazon.com/gp/product/B003Y7PXSK/ref=as_li_ss_tl?ie=UTF8&tag=goldrecy-20&linkCode=as2&camp=217145&creative=399369&creativeASIN=B003Y7PXSK