LEFF amsterdam tubeaudio LT70011 Manuel D'utilisation Et Garantie page 14

tubeaudio
Charging
Connect the tube audio to a USB charger (max. 5V - 2A) or a USB
port on your PC with the micro USB cable. During charging, the
charge indication LED is on. This will switch off when the battery
is fully charged. This takes approximately 2 hours.
Remark: The USB port is not suitable for data transfer or to play
music.
Reception
Extend the antenna for optimal Bluetooth reception.
Important: In case of transport, always retract the antenna to prevent
damage.
16