Want an affordable sandhill crane E-Caller? The SandhillCranePro electronic caller app provides you REAL sandhill crane hunting soundtracks at your fingertips. These soundtracks are clear, crisp and recorded from REAL sandhill cranes. 3 unique soundtracks included. Connect the app to your speaker and amplifier system to pull in sandhill cranes. FEATURES: - 3 sandhill crane hunting soundtracks - Effective, realistic and clear audio to bring in wary sandhill cranes - Bluetooth compatible to sync to a Bluetooth speaker in the field - Sounds can play in the background of your phone allowing you to text, take pictures and surf the internet without disrupting the sandhill crane calling sounds - The soundtracks allow you to set the call and focus on sandhill crane 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 - E-Calling audio for sandhill cranes at a fraction of the cost of purchasing multiple soundtracks and memory cards separately Soundtracks included in "SandhillCranePro" - Mating Call - Crane Call - Cranes Communicating Download SandhillCranePro and start having sandhill crane hunting success today!