Sennheiser Comfort calls Instruction Manual page 39

Specifications
38
OfficeRunner™ power supply unit
Nominal input voltage
Nominal input current
Mains frequency
Nominal output voltage
Nominal output current
Operating temperature range
Storage temperature range
Relative humidity
Weight
DECT
Transmission frequency
SAR value
100 to 240 V~
max. 0.2 A
50 to 60 Hz
6 V
max. 850 mA
+5 °C to +45 °C (+41 °F to +113 °F)
−20 °C to +70 °C (–4 °F to +158 °F)
operation: 20 to 85 %
storage: 20 to 95 %
approx. 75 g
EU version: CAT IQ 1.0 US version: DECT 6.0
1,880 to 1,900 MHz 1,920 to 1,930 MHz
0.196 W/kg 0.093 W/kg
(max. 10 g SAR) (max. 1 g SAR)