This app help you control all your Bose SoundTouch speaker in your local network, you can use all the functions same with buttons on your SoundTouch speaker or remote controllers, include turn on/off speaker, control volume, choose preset channels. - Play your music file on SoundTouch speaker from your PC or Xbox One. - Send URL (internet radio or stream local music/sound) to play on SoundTouch speaker. - You can check the 'Set' button, then click on the number to set a Preset. In-App Purchase Features: - Stream Microphone or other Audio Input / Recording device sound to your SoundTouch speaker wirelessly. If your PC/Laptop have line-in or Microphone port (you can also use external USB sound card/adapter with line-in or Microphone port with your PC), then you can use this feature to stream sound from that audio input/recording device wirelessly to your SoundTouch speaker, use case include: 1. Microphone sound wirelessly stream to SoundTouch speaker 2. Electric guitar line-in wireless stream to speaker 3. Connect headphone output to Mic-in or Line-out to Line-in to redirect all your PC audio to that recording device and wirelessly stream to SoundTouch speaker. (Please check your device manual to know which port you should connect, the Microphone input and Line-in have different audio signal process.) * You need Bose SoundTouch speaker to work with this App.