SilverCrest STSK A4 A1 Instructions D'utilisation Et Consignes De Sécurité page 37

˜ Technical data
Charging/storage box
USB-C input voltage
USB-C input current
Qi wireless input voltage
Maximum wireless power
consumption
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
Headphones
Wireless standard
Supported profile
Frequency band
Max . transmitted power
Range
Rechargeable battery
Charging time
USB 5 V
500 mA
5 V
3 W
≤ 5 mm
110 .4–145 .5 kHz
–14 .56 dBµA/m at 10 m distance
Li-ion polymer, 3 .7 V, 350 mAh, 1 .29 Wh
up to 4 complete charge cycles for fully
discharged headphones
approx . 4 hours (complete charging cycle)
Bluetooth 5 .2
®
A2DP, AVRCP, HSP, HFP
2402 to 2480 MHz
< 20 mW
approx . 10 m
Li-ion polymer, 3 .7 V, 40 mAh, 0 .15 Wh
approx . 1 .5 hours (complete charging cycle)
GB/IE 37