Now supporting Bluetooth and Airplay streaming! Use your iPhone as a live microphone. First, plug your iOS device into a stereo system and then, fire up the VonBruno Microphone app. Get everyone's attention, sing along with your music collection, host a game-show in your living room. Features you’ll love: • Easy on off switch • Swipe up or down to adjust volume • Choose effects to enhance your voice • Backgrounding and lock screen support • Bluetooth and AirPlay streaming • Feedback reduction technology • Sing along with songs from your iTunes library For best results, plug your phone into a speaker system for amplification. Streaming audio over bluetooth and airplay will introduce a noticeable delay in audio reproduction.