User's Manual

by long pressing the phone key.
5.4 Frequency adjustment
5.4.1 After starting up,long press the last/next song
button to enter the transmission frequency adjustment.
Note: Long press to fast FM addition adjustment, short
press to fine tune.
5.5 Mode switch
5.5.1 Inserted the TF card/AUX(Line-in) while the
bluetooth connection is successful, press the “M” key
to switch the mode.
Note: When mode switching and external device
insertion, the product will have corresponding voice
prompts to indicate the current status of the device.
5.6 Light switch
5.6.1 After powering on, press “M” to switch the color of
the light. Switching sequence: red, orange, yellow,
green, cyan, blue, purple, breathing light, turn off the
light etc.
5.7 Siri/Google voice assistant
5.71 After bluetooth connected successfully, long press
the dial key 2S to activate the voice assistant
function,you can make the phone call,play music,run
the navigation of mobile apps ect..(support phone
model iPhone/Samsung/original android system
phones)
Note: Some mobile phones may not support voice
assistant function
5.8. Charging recognition
Connect the mobile device with the Qualcomm® Quick
Charge3.0 interface, the machine will automatically
identify the type of charging device, and shake hands
with the device through the corresponding charging
protocol to obtain the maximum charging current,
saving the charging time under the premise of
protecting the charging device.
Supports: QC3.0、QC2.0、FCP、BC1.2 ect fast
charging protocol.
VI. Power-off memory
Every time when you power off this product, the
system will memorize the FM frequency,light and the
song played. It will continue to play this song recorded
when you start to use next time. When the storage
device is plugged out, changed or detected wrong, the
system will return to the first song in the list.
VII.Technical Parameters
Rated working voltage
12V-24V
Limit working voltage
8-27V
USB output
USB1 5V/2.4A
USB2 output Qualcomm®
Quick Charge3.0
Working temperature
0-60℃
Charging recognition
USB2 with Qualcomm®
Quick Charge3.0 protocol
Music format
MP3、WMA、WAV、
FLAC、
SNR
>60dB
Degree of distortion
<0.1%
Frequency response
20Hz-15Khz
Resolution of right and
left channel
〉60dB
bluetooth version
Version5.0+EDR
bluetooth sound
processing
A2DP(Advance Audio
Distribution Profile)
bluetooth transmission
distance
<10M
Effective distance of
bluetooth microphone
0.5-2M
FM frequency
87.5-108.0MHZ
FM mode
Stereo digital PLL frequen
cy locking
VIII. Attentions
1. This product contains dual USB outputs. It can
charge two devices at the same time, USB2 supports
Qualcomm® Quick Charge3.0.
2. A built-in antenna is provided for the product, so
please avoid using the broadcasting station frequency
that is with strong signal so as to get better sound
effect.
3. The method to operate the bluetooth may differ due
to the difference of the phones applied.
4. Some phones may not support automatic connection
if they are powered on after the power failure. If so,
please connect them by hand.
5. This product is compatible with more than 95%
phones on the market but some are still incompatible.
Please pay attention to it when purchasing our product.
6. The volume should be proper during the call to avoid
affecting the other party.
7. Do not use this product in the environment with high
temperature, dusts or moisture
8. Do not drop the product to avoid surface damage or
breakdown.
9.The bluetooth of this product supports background
play. If there is a prompt tone when playing music with
TF card function, it will switch to the bluetooth hands-
free mode. After finished call, return to TF card function
automatically.
IX. Package attachment
1. Host 2. User Manual 3. Aux cable