Silvercrest STSK 2 D4 Instrucciones De Utilización Y De Seguridad página 74

Wireless charging power 2 .5 W
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
≤ 5 mm
112 .18‒146 .15 kHz
–13 .9 dBµA/m at
10 m distance
Li-ion polymer, 3 .7 V,
550 mAh, 2 .0 Wh
up to 5 complete
charge cycles for
fully discharged
headphones
approx . 3 hours
(complete charging
cycle)
GB/IE 75