The iHunt XSB Bluetooth Speaker is optimized to work with the iHunt app. This speaker does it all with 47 different species and a total of over 600 calls to choose from. The Bluetooth connectivity is good for up to 40 yards away and operates on 4 standard (AA) batteries that are not included. The speaker is water resistant, has a simple-on/off switch, LED power indicators. NOTE: Included is the premium app.