You can check your Tarah Pro earbuds battery status in a couple of ways:
Turn your Tarah Pro earbuds on by holding the middle button. You will hear the battery level announced on your earbuds.
Use the Jaybird App on your phone. This will indicate the battery status. Please be aware the voice notification on the Tarah Pro earbuds will round the battery level to the nearest 20% and the Jaybird App will give the Tarah Pro battery level to within 1%.