EKSA telecom H1 Bedienungsanleitung Seite 10

Reset
When EKSAtelecom H1 is in connected/pairing mode, press and hold the
"volume +" and "volume -" buttons simultaneously for 6 seconds until the LED
lights up in red and blue, indicating the pairing information is cleared.
Charging
1. When the battery is less than 10%, the headset will give a voice prompt
"battery low" every 3 minutes. Please charge it as soon as possible.
2. When EKSAtelecom H1 is not in use, please charge it at least once every
2 months.
3. Please use the original charging cable for charging. Charging voltage can't
exceed 5 V.
The Bluetooth indicator flashes
alternately in red and blue.
8
6"
Red
Blue
≤1.5h
5 V 1 A