Silvercrest SUR 1 A1 Operation And Safety Notes page 52

USB charging output:
Output voltage/ current:
Charging power:
FM reception range:
Speaker output power:
AUX input (jack socket):
Operating conditions:
Storage temperature:
Dimensions (W x H x D)
Weight:
Protection class (radio):
Power adaptor:
Input voltage:
Frequency:
Current:
Output voltage / current:
Polarity of barrel connector at output:
52 GB/IE
5 V / 1 A
5 W
87.5–108 MHz
1.0 W RMS
3.5 mm (cable not included)
10 °C to 35 °C
40 % to 85 % (rel. humidity)
-20 °C to +60 °C
approx. 140 x 70 x 140 mm
0.6 kg
III /
100 - 240 V ~
50/60 Hz
0.5 A Max.
5.3 V / 3 A