INSTRUCTIONS
ULTRASOUND WIRELESS
EARPHONES
PACKAGE CONTENTS
• Wireless earphones
• USB charging cable
• Charging station
• Replacement earbuds
• User manual
TECHNICAL SPECIFICATIONS
• Rated voltage: 5 V DC
• Earphone battery capacity: 50 mAh
• Speaker size: 8 mm
• Weight (earphones & charging station): 94 g
• Bluetooth range: 10 m
• Bluetooth version: 5.1
CHARGING
• To charge the charging station, insert the USB
charging cable into the IN port on the station and
connect the other end to your computer’s USB port
or phone charger.
• The charge indicator on the station will start blinking.
• The charging station is fully charged when the
number reaches 100.
• To charge the earphones insert them into the
charging station.
• The green lights above the earphone slots will
indicate that the earphones are charging.
• Fully charge the earphones before first use.
HOW TO USE
O TURNING THE EARPHONES ON AND OFF
• The earphones automatically turn on when taken
out of the charging station and automatically turn
off when put back in.
• To manually turn off or on, press and hold the
touch button on the earphones for 3 seconds.
O PAIRING
• The earphones are already paired with each other.
If they become unpaired at any time, turn them off
and press the touch button on the earphones
simultaneously for 10 seconds until the indicator
light starts flashing red and blue.
• To pair them with your phone or other device, turn
them on and open the Bluetooth settings on your
device. Find the earphones (name: F9) and connect
to them. They are now ready to use.
• Once paired, the earphones will automatically
connect to your phone when Bluetooth is turned
on.
O FUNCTIONS
• Press the touch button once to pause or play
media.
• Press and hold the touch button to use SIRI or
Google’s voice commands.
• Double tap the right earphone to play the next
song, double tap the left one to play the previous
song.
• Press the touch button once to answer and end a
call.
• Press and hold the touch button for 3 seconds to
reject an incoming call.
WARNINGS
• Fully charge the earphones and charging station
after a longer period of no use.
• Do not expose to heat, open flames or moisture
and water.
• Only use the included charging cable to charge the
device.
• Do not disassemble or modify in any way.
• Do not expose to extreme temperatures (-10–55 °C)
• Always store the earbuds in the charging station.
• Clean the earphones only with a soft and dry cloth.
WARRANTY
The warranty is valid for 24 months. You can claim it
from DFVU d.o.o., Liparjeva 6a, 1234 Mengeš,
Slovenia, for a replacement product or a refund.
Send us your order number and purchase date in the
email, which is available by clicking on our logo in the
bottom right corner. The product has a lifetime of 24
months from the date of collection.
