Silvercrest SBH 3.0 C1 Operating Instructions And Safety Instructions page 59

No sound signal with Bluetooth® connection

Switch the headset on.

Try to connect the headset to your mobile phone
again.
No Bluetooth® connection established

Check whether the Bluetooth® function is enabled
on your mobile phone.

The distance between the headset and mobile phone
is too great. Reduce the distance.
Not all of the functions described work

All the functions described depend on the range of
functions available on the mobile phone you are
using.
SilverCrest SBH 3.0 C1
English - 57