With inaudible sound beacon technology, you can skip inputting the 6-digit key. Sound wave is only valid once, for a 10 minute span(Just like a 6-digit key). Devices should be within an earshot of each other(Approx. 13ft/4m)

To Send: When you see the ‘waiting…’ screen after selecting files, tap the sound wave icon in the upper right-hand corner to generate inaudible sound.

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To Receive: On the Receiving Device, tap the sound wave icon in the upper right-hand corner of the ‘Receive’ tab.

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* Send with sound (beta) is only available on Android devices. If same frequency range is being used nearby, it may not work properly due to interference.