Silvercrest SBTH 2.1 A1 - Manual (Page 52)

SilverCrest SBTH 2.1 A1
50 - English
Prior to use
You can use the headphones either wired or wirelessly via Bluetooth ® . Before using
the headphones wirelessly for the first time, the built-in battery in the headphones
must be fully charged. To do so, proceed as described in the following section.
Charging the built-in battery
Before the first wireless use or when the built-in battery is empty, you charge it as
follows:
 Set the switch (5) on the headphones to "OFF".
 Connect the headphones with the enclosed USB charging cable (B) to a
computer that is switched on. Insert the small plug of the USB charging cable
(B) into the micro USB socket (4) on the headphones and the large plug of the
USB charging cable (B) into a free USB socket on your computer.
 The LED (3) of the headphones then lights up orange.
 The LED (3) goes out when the battery is fully charged.
The battery of the headphones can also be charged with a standard
USB power supply 5V
/500mA (not included).