2. Soothing Vintage Box Fan (feat. National Geographic Nature Sounds, White Noise Sounds For Sleep, Nature Sounds New Age, Soothing Baby Sounds, Soothing Sounds & Relaxing Nature Sound)Vintage Box Fan Sound, National Geographic Soundscapes & White Noise Ambience [feat. National Geographic Nature Sounds, White Noise Sounds For Sleep, Nature Sounds, New Age, Soothing Baby Sounds, Soothing Sounds & Relaxing Nature Sound] 3. Air Conditioner Noise (feat. White Noise Sounds For Sleep, Soothing Sounds, Nature Sounds New Age, Relaxing Nature Sound, Air Purifier Sound & National Geographic Nature Sounds)Air Conditioner Noise, White Noise Ambience & National Geographic Soundscapes [feat. White Noise Sounds For Sleep, Soothing Sounds, Nature Sounds, New Age, Relaxing Nature Sound, Air Purifier Sound & National Geographic Nature Sounds]