15GB/IE/NI
Technical data
Charging/storage box
USB-C input voltage USB 5 V
USB-C input current 400 mA
Qi wireless input voltage 5 V
Wireless charging power 2.5 W
Wireless charging distance
to the Qi charger ≤ 5 mm
Frequency band 128‒181 kHz
Transmitted maximum radio
frequency power (H-field)
–13.42 dBµA/m at 10 m
distance
Rechargeable battery Li-ion polymer, 3.7 V,
400 mAh, 1.48 Wh
Charging capacity up to 4 complete charge
cycles for fully discharged
headphones
Charging time of the
charging/storage boxes’
built-in battery
approx. 3 hours (complete
charging cycle)
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