Birdsong in the forest for more than 2 hours, the sound quality for listening hard. Listen to the soothing sounds of birds singing, meditation is a bird that really captured from the wild. Non-up It takes about 2 hours to compress a very beautiful voice. 2 hours long recording of wonderful relaxing bird songs for sleeping or meditation. This is a clean birds recording, no background noise, wind, hissing, rustling, traffic or loud water stream. There are no alarming noises that will wake you up