The unit includes a built-in battery. Before using the battery, please make sure it is fully
charged. Charge the battery following the below steps:
1. Connect the supplied USB cable to a computer's USB socket or an applicable
AC/DC adapter (optional) and the mini USB power socket on the left side of the unit.
2. Connect the adapter (optional) to the main power or power on the computer for
charging the battery.
3. During charging, the power/charge indicator light green. When the battery is fully
charged, the indicator will turn off. It will take 3.5 ~ 4 hours to fully charge the built-in
battery, and the fully charged battery will last for about 3.5 hours when playing
music continuously at normal volume.
NOTE:
During playback, when the battery is low power, the power/charge indicator will
flash red for indicating. After about 3 minutes, the unit will turn off automatically, if
not connect the unit to the main power.
If the unit is not in use for a prolonged period of time, it is recommendable to charge
the built-in battery every two months.
DC INPUT OPERATION
Plug the supplied USB cable to the mini USB power socket on the left side of the unit
and a computer's USB socket or an applicable AC/DC adapter (optional). Connect the
adapter (optional) to the main power or power on the computer.
NOTE:
Once connect the unit to the main power, the power/charge indicator will light
green. If play the unit with the battery, the indicator will not light except the unit is low
power.
BLUETOOTH OPERATING
This unit can receive stereo audio signal from a BLUETOOTH stereo audio source device.
1. Power on the unit by pressing the STANDBY/ON button, switch to BLUETOOTH mode
by pressing SOURCE repeatedly, "bt" shows on the display.
2. LED indicator rapid blinking while it is pairing.
3. Pair and connect to MB415 on the BLUETOOTH audio source device. If prompted for
passcode, enter "0000".
5. Press the PAIRING/PLAY/PAUSE button to pause/resume the playback.
6. During playback, press the SKIP DN/TUN- button once to go back the beginning of the
current track, press the SKIP DN/TUN- button twice continuously to skip to the previous
track.
7. During playback, press the SKIP UP/TUN+ button to skip to the next track.
Note:
The above are generic steps to pair a BLUETOOTH device, for more specific
instructions on BLUETOOTH connectivity for your device, please consult your
manufacturer's manual.
After the first connection, the unit will detect your last paired BLUETOOTH device and
connect to it automatically.
The skip up / skip down operation may not function properly subject to the music player
configuration of the BLUETOOTH device.
RE-CONNECT TO THE BLUETOOTH AUDIO SOURCE DEVICE
If the device is already paired with the MB415, but became unconnected even with both
Bluetooth devices turned on. You can re-connect them by following steps:
FM radio
1. Press and hold the PAIRING/PLAY/PAUSE button to re-link the audio source device.
The Bluetooth indicator will blink.
2. Select MB415 on the audio source device for connecting. Bluetooth indicator will turn to
solid blue if the MB415 and the device have been re-connected successfully.
FM RADIO
TUNING THE FM RADIO
1. Power on the unit, switch to the radio mode by pressing the SOURCE button repeatedly
until the LED display shows the radio frequency.
2. Extend the FM TELESCOPIC ANTENNA on the left side of the unit fully for best
reception.
3. Press the SKIP UP/TUN+ or SKIP DN/TUN- button to fine tune radio station. Press and
hold the SKIP UP/TUN+ or SKIP DN/TUN- button to auto search radio station forward
or backward from the current frequency respectively (When an available station will be
found, the unit will broadcast it immediately and the searching will be stopped).
STORING YOUR FAVORITE RADIO STATION
1. During playback, press and hold the PAIRING/PLAY/PAUSE button for storing the
current station until memory cell number flashes on the LED display.
2. Use the SKIP UP/TUN+ or SKIP DN/TUN- button to select the corresponding memory
cell for storing the station.
3. Confirm your selection by pressing the PAIRING/PLAY/PAUSE button again.
RECALL THE PRESET STATIONS
1. Press the PAIRING/PLAY/PAUSE button until memory cell number flashes on the LED
display.
2. Press the SKIP UP/TUN+ or SKIP DN/TUN- button repeatedly until the memory cell
number of the desired station flashes on the LED display.
3. Release the SKIP UP/TUN+ or SKIP DN/TUN- button, the unit will broadcast the station.
VOLUME LEVEL ADJUSTMENT
Press the VOL+/- button to adjust the volume output level.
USB PLAYBACK
1. Power on the unit, insert an USB into the unit.
2. Press the SOURCE button repeatedly to switch to USB mode until the wording of USB
shows on the LED display, the playback will start automatically.
3. Press the SKIP UP/TUN+ button or the SKIP DN/TUN- button to skip to the next track
or the previous track.
4. Press the PAIRING/PLAY/PAUSE button to pause the playback; press the button again
to resume normal playback.
Important:
used with this USB connection. The use of USB extension cords is not recommended.
The USB port is intended only for data transfer only, other devices cannot be
LINE IN
1. Connect the LINE IN jack on the left side of the unit to an audio source, for example,
MP3 player with an audio cable.
2. Press the STANDBY/ON button to turn the unit on.
3. Press the SOURCE button repeatedly to switch to LINE IN mode until the wording of
LINE shows on the LED display.
4. Use the native controls on the connected audio device to begin playing music through
the connected the unit.
Troubleshooting
TROUBLESHOOTING
Symptom
Radio sound distorted.
No radio sound.
No sound at Bluetooth
mode.
IMPORTANT SAFETY INSTRUCTIONS
The apparatus shall not be exposed to dripping or splashing and that no objects filled
with liquids, such as vases, shall be placed on the apparatus.
When the USB cable is used as the disconnect device, the disconnect device shall
remain readily operable. To be completely disconnected the power input, the USB
cable shall be disconnected from the power source completely.
No naked flame sources, such as lighted candles, should be placed on the apparatus.
Minimum distances 2.0cm around the apparatus for sufficient ventilation. The
ventilation should not be impeded by covering the ventilation openings with items, such
as newspapers, table-cloths, curtains, etc.
The use of apparatus is in tropical and/or moderate climates.
Attention should be drawn to the environmental aspects of battery disposal.
CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with the
same or equivalent type.
Battery shall not be exposed to excessive heat such as sunshine, fire or the like.
The marking plate is located at the back or the bottom of the apparatus.
Possible Cause
1. The station is not tuned in.
2. There is a poor signal in the
area.
1. The unit is not in radio
mode.
2. The volume is on the
minimum setting.
1. The Bluetooth device is not
paired with the unit.
2. The volume is on the
minimum setting.
Solution
1. Fine tune the station.
2. Reposition the unit.
1. Press the SOURCE button
repeatedly until switching
to radio mode.
2. Adjust the volume level.
1. Follow the instructions to
pair the Bluetooth device to
the unit.
2. Adjust the volume level.
SPECIFICATIONS
Power supply: Input DC 5V, 1A
Power consumption: 6W
Standby power consumption: < 0.5W
Built-in rechargeable battery: 1500mAh, 3.7V
Tuning range: FM 87.5 -108 MHz
Output Power: 3Wx2@10%THD
Music formats supported for USB: MP3 Layer1, Layer2, Layer3
Maximum capacity supported for USB: 16GB (FAT12/FAT16/FAT32)
Bluetooth: Support profile A2DP and AVRCP
Bluetooth operating range: Up to 10 meters (Measured in open space. Walls and
structures may affect range)
The technical specifications are subject to change without notice.
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