BK1518 Hunting MP3 Player Bird Decoy Bird Caller 50W Speaker With 200 Bird Sounds. With Timer ON and OFF. With 3 hot keys, store your "go to" sounds at desired voice, and press it play right now. With 2 newer speakers,50W and 6 ohms,150dB. the voice is loud and clear, stable qulity, long time to play and high temperature with not damage. 12V power for external (1.5M), the power cable directly inserts into the inside of the call.