What still works when the battery is empty? Can you still hear with
1. hear?
2. speak?
3. remote control?
4. listen and charge at the same time (possibly with two cables)?
Bluetooth and noise cancellation hardly work with an empty battery.

Question

What still works when the battery is empty? Can you still hear with
1. hear?
2. speak?
3. remote control?
4. listen and charge at the same time (possibly with two cables)?
Bluetooth and noise cancellation hardly work with an empty battery.

Accepted Answer

Tested with the headphones switched off because the battery was not empty. But if it is empty, you can't switch it on...
Unfortunately, nothing works anymore via cable.
However, everything works when charging, including ANC and Bluetooth.
Then the cable from the powerbank is connected to the headphones instead of the cable to the phone.

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Question about Beats Studio3

What still works when the battery is empty? Can you still hear with 1. hear? 2. speak? 3. remote control? 4. listen and charge at the same time (possibly with two cables)? Bluetooth and noise cancellation hardly work with an empty battery.