App info is currently processing and/or the app is not yet fully available for sale on the US App Store. The free version:http://itunes.apple.com/us/app/relax-helper-free/id319791368?mt=8 ★★★★★★★★★★★★★★★★★★★★★★★★★★ √ This is the stable edition. We recommend that all old users update to this version. √ The ripple effect fully supported OS3.0 or later, improved the efficiency. √ Using Headset to Get More Professional Sound Effects √ 'Virtual scene set' allow users more intuitively and effectively deploy the scene and sound effect, and following are ways to use it: 1. When dragging the sound icon on the left and right of ears, you can control the balance attribute 2. Drag the sound icon up and down, and it will change into high pass or low pass when beyond the broken line 3. Support two kinds of operations to work simultaneously ★★★★★★★★★★★★★★★★★★★★★★★★★★