5 deer hunting calls Effective, realistic and clear deer calls Bluetooth compatible to sync to a Bluetooth speakers for the whitetail hunting calls Deer hunting calls can play in the background of your phone allowing you to text, take pictures and surf the internet without disrupting the deer hunting calls The whitetail hunting calls, including buck grunt and deer grunt allow you to set the deer calls and focus on deer hunting Connect to your speaker system with audio cables or Bluetooth (cables not included) No more forgetting to grab your MP3 player or memory cards, you always have your phone with you when whitetail hunting E-Calling audio for whitetail deer at a fraction of the cost of purchasing multiple soundtracks and memory cards separately Take advantage of deer movement by using these calls to bring whitetail deer closer