VIETA Smart Beat 4 User Manual page 13

- Quick access to basic settings: on the main screen, swipe from top
to bottom to top to access to the quick access to Information,
Vibration (ON/OFF), Connected/Disconnected, Brightness, Battery
status and Media Player.
Vibration : this option disconnects Bluetooth 3.0 (Bluetooth related to
calls and notifications). Remember that if you select this button, after
reactivate the vibration, you will have to repeat the pairing process
described above, with your Smartphone.
www.vietapro.com