Do you own OontZ Angle 3? In the content of this app, the following topics that may always be useful to you are explained;* About OontZ Angle 3 Speaker* About charging the battery and its features* How to pair & connect your device* How to connect two OontZ Angle 3 ultra speakers together* OontZ Wireless Dual Stereo - Important Notes* About playing from non-bluetooth audio source devices using the 3.5mm audio cable* (Surround Mode) How to Connect 2 or 4 OontZ Angle 3 shower pro speakers* How to reset your deviceYou can reach louder sounds with the sound booster and bass effect. You can adjust the sound and bass settings as you wish via the Oontz angel 3 ultra app. You can use it without any deterioration in sound quality.You can connect your loudspeakers, which you can use outdoors with a louder volume, to many devices with the same mirror via the Oontz angel 3 pro app. It has high speed bluetooth connection.It is water resistant. You can connect your alexa with Oontz angel 3 shower app. You can take advantage of alexa skills after pairing. You can adjust the sound management of the speakers, which you can use while walking, by the pool or in all other activities, according to your location via the Oontz angel 3 app for Android. You can manage settings such as volume and bass level, equalizer according to your location.This app is a guide that should be at hand for anyone with OontZ Angle 3 Bluetooth Speaker. It does not belong to an official brand.