Product Overview
Button Functions
| No. | Button | Functions |
| ① | Switch to turn the Relay on / off | |
| ② | Press once or hold to adjust volume | |
| Press & hold both for 6 seconds to clear pairing history | ||
| ③ | Multifunctional Button (MFB) |
Press & hold for 2 seconds to enter pairing mode |
| Press once to manually initiate reconnection to last-paired device | ||
| Double click to show battery level |
LED Indicators
| No. | Indicator | Status |
| A | Alternate red & blue flashes | Pairing |
| Solid blue | Connected | |
| Blue flashes every second | Reconnecting to last-used device | |
| Blue flashes every 5 seconds | Standby | |
| Solid blue & red simultaneously for 3 seconds |
Clearing pairing history | |
| B | Any of the 4 LED indicators Flashing | Charging |
| All the 4 LED indicators off | Fully charged | |
| Solid white for 1 second (after power on) | Battery status |
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