VIETA PRO Round Up 2 - Button Functions; Power and Mode Buttons; Playback and Call Buttons; Volume and Track Navigation

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2. Button Functions
Long press: power on/o the speaker
Short press: change modes（Bluetooth-FM-Aux in）
Short press: play/pause music, pick up/hang up a call
Long press 2S: reject a call
Long press 3S:disconnect Bluetooth pairing
Doble Click: calling out the mobile’s voice assistant
Short press: volume up
Long press: next track
Long press + and - together 2 seg, to enter into TWS
pairing mode
Long press + and - together:2 seg, to disconnect the
TWS pairing
Short press: volume down
Long press: previous track
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