🔴 What is audio delay test?

✔️ The time when sound playback starts on the device (smartphone, etc.)

✔️ The time when the sound actually comes out of the earbuds.

🔴 The time difference between 1. and 2. is the delay of the audio.

✔️ With "Bluetooth Device Audio Test" you can do a quick test of the headset call signal and know the headset battery level.

✔️ Widget showing battery levels on home screen.

✔️ The app will build a graph of battery discharge Bluetooth audio device.

✔️ Use ""Bluetooth Device Audio Test" to check if the Bluetooth headset is working properly.

✔️ Depending on the Bluetooth class of the audio device, the accuracy of the charge data is different:

➡️ high class (transmits 10 battery states - interval 10%)
➡️ middle class (transmits 6-4 battery states - 100%, 90%, 80%, 60%, 50%, 20% or 100%, 70%, 30%, 0%)
➡️ low class (not transmit the state of charge of the battery, ring tone only).