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Turn your iPhone into a simple tool for listening to nearby sound, using a microphone, or playing your voice through a speaker. THREE SOUND MODES • Audiphone: listen to nearby sound through compatible headphones. • Microphone: send microphone sound to a compatible audio output. • Loudspeaker: play microphone sound through the iPhone speaker. EVERYDAY CONTROLS • Headphone and Bluetooth headset support, depending on the selected mode and connected device. • Use your device's volume buttons to adjust listening volume. • View the live sound level. • Turn sound processing on or off and choose whether to start automatically next time. • Continue audio while the app is in the background or the screen is locked. • Shake to switch between the original skins. Use compatible headphones for persona