SilverCrest STSK E1 A1 Guide De Démarrage Rapide page 36

˜ Technical data
Charging/storage box
USB-C input voltage
USB-C input current
Qi wireless input voltage
Wireless charging power
Wireless charging distance
to the Qi charger
Frequency band
Transmitted maximum radio
frequency power (H-field)
Rechargeable battery
Charging capacity
Charging time of the
charging/storage boxes'
built-in battery
Protection class
36 GB/IE
USB 5 V
400 mA
5 V
2.5 W
≤ 5 mm
111.4 -146.8 kHz
-10.66 dBμA/m
at 10 m distance
Li-ion, 3.7 V, 400 mAh, 1.48 Wh
up to 3 complete charge cycles for
fully discharged headphones
approx. 3 hours (complete
charging cycle)
IPX0