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CAUTION:
CHARGING
if the product is to be left unused for a long time, leave the battery fully
charged, otherwise the battery may be damaged !
Recharge the product at least every 2 months.
Do not expose your device to extreme temperatures (above 50°C) (e.g.
direct sunlight in a closed vehicle, near a heat source or radiator, etc.). High
temperatures can damage the speaker's and reduce battery life.
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CHARGING INSTRUCTIONS
1. Connect the USB Type C cable to the « USB-C » connector (4), then to a USB socket or the mains supply via an AC adapter
(not supplied). Once the battery is fully charged, disconnect the cable.
2. Press hold the main power button (8) to switch on the product.
The LED indicator (2) will turn red while charging. Once fully charged, the red LED will turn off.
FUNCTION
ON / OFF
Change and turn off lights.
Switch between modes : USB / TF / FM / BT
| Automatic scan FM
/ Search FM +
/ Search FM -
LEGEND
Long
pressL
Short
pressL
6
1. USB input
2. Charging indicator
5
3. TF SLOT
3
1
4. USB-C power alimentation
2
4
5. AUX INPUT
PRESS THE KEY
PAIRING AND BT CONNECTIVITY
1. Press and hold the mains «POWER» button (8) to switch on the product.
2. Activate the wireless audio function on your device (smartphone, tablet, etc.).
3. Select «COSMO50 » from the list of devices found.
(Note: the product automatically enter Bluetooth mode when switched on).
TWS FUNCTION
1. Switch on both speakers, press hold the «MODE » button (9) on one of the speakers. A beep will sound during and after
successful pairing.
2. Activate your phone's Bluetooth function and search for the pairing name. Establish the connection.
3. Press hold the «MODE » button (9) to disconnect the TWS function.
USING USB OR TF
Insert a USB key or TF card in the « USB » slot (1) or « TF » slot (3), the speaker will automatically play the music
(Press the «MODE» button (9) twice to switch to the USB or TF function)
AUXILIARY 3.5MM CONNECTIVITY
1. Plug a 3.5mm AUX jack cable into the «AUX» input (5).
2. Select the «AUX» input source by pressing the «MODE» button (9).
(Press the «MODE» button (9) twice to switch to the AUX function)
RGB LIGHT
The RGB light is on when the speakerphone is switched on. Press the «
HANDS-FREE FUNCTION
Incoming call : Briefly press the «Play/Pause» button (8) to accept the call, or press and hold to reject the call.
End call : Briefly press the «Play/Pause» button (8) or operate the cell phone to end the call.
BUTTON
TROUBLESHOOTING
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No power supply : first check that the speaker is switched on. If this is the case, switch off the speaker, connect the power cable to
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the device after charging it or, once connected, leave the device switched on while charging.
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Automatic shutdown : battery protection is automatically activated when the battery is low, so please use it after recharging for 3
8
hours.
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No sound from the speaker when playback is activated
A Check that the volume is not set to minimum.
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B Check that the correct signal source has been selected.
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C Check that the audio source is not malfunctioning.
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Unable to play music : the music file storage path cannot be recognized, save the file and store it in the root directory of the
removable device.
Press and hold the Back button for 5s, and the unit will switch off. During this time, it will erase all Bluetooth and TWS connection
memory and restore factory settings.
» button (10) to change or switch the light on/off.
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