Aukey Pby37 Manual -

The PB-Y37 does not have traditional LED bars—it uses a 3-digit 7-segment display.

| Display Shows | Meaning | |---------------|---------| | 100 – 5 | Normal remaining capacity | | 4 – 1 | Critical low power; will only charge small devices | | 0 | Battery depleted; recharge immediately | | Blinking number | Device is charging the power bank (input mode) | | Solid number | Device is being charged by the power bank (output mode) | | "---" or no display | Battery protection mode triggered (see troubleshooting) |

No separate low-battery warning light exists; the percentage turning red (on some revisions) indicates <10%. aukey pby37 manual

Note: Touch controls are sensitive; a light tap is usually sufficient.

| Function | Action (Left Ear) | Action (Right Ear) | | :--- | :--- | :--- | | Play / Pause | Tap 1 time | Tap 1 time | | Volume Up | — | Touch and Hold (2s) | | Volume Down | Touch and Hold (2s) | — | | Next Track | — | Double Tap | | Previous Track | Double Tap | — | | Answer / End Call | Tap 1 time | Tap 1 time | | Reject Call | Touch and Hold (2s) | Touch and Hold (2s) | | Activate Voice Assistant (Siri/Google) | Tap 3 times | Tap 3 times | The PB-Y37 does not have traditional LED bars—it

Sometimes Aukey prints a QR code on the back of the power bank or the box that links directly to the PDF manual.

Via Micro-USB:

Via USB-C:

Note: Do not connect both inputs simultaneously; the PB-Y37 will default to the first one detected. No separate low-battery warning light exists; the percentage