User's Manual

单页尺寸：80*110mm 展开尺寸：240*110mm
双面三折页彩色印刷 105G铜版纸
Car Fm Transmitter with Bass Booster
BT90
User Manual
Thanks for choosing our Wireless FM Transmier. This device streams music and
calls directly from your Wireless device to the car FM stereo system. The built-in
microphone provides you with an amazing hands free funcon, it also features
Micro SD card that lets you stream your favorite MP3 tunes to your car’s stereo
system and charge your phone simultaneously. It also delivers a deeper bass with
touch of the bass buon when playing the music. What’s more,it also equips Three
USB Charging ports ( QC3.0&2.4A & 1A).This will greatly save your mobile charging
me.Please read the User Manual carefully before using. Hope this device makes
your driving more interesng and safer.
This device with three USB port for charging, One port is QC3.0 fast charger,One
port is 2.4A, Another port is 1A.
When this unit powered from car lighter socket, connect the USB Charger port
to your mobile phone or others device with a special USB cable (not included).
How to Install
1.Star your car,open car radio to set a blank FM frequency(like 106.2MHZ)
without any show(must be blank)
2.Insert the device into your car cigaree,set same FM frequency(106.2MHZ) as
your cars.
3.Open your phone wireless to find the device named”BT90” to connect it
successfully(Using Wireless for the first me, normally it will pair automacally
but somemes it will require you to enter the passworld.Please use the
password "0000")
4.Enjoy the device with hands-free call and music from your phone or flash drive
FM Frequency Tuning
star your car,open car radio to set a blank FM frequency(like 106.2MHZ) without
any show(must be blank).Press “CH”buon and rotate the buon to set the
frequency on the device same as your cars
Wireless Pairing
When you insert the device into your car cigaree lighter, you need to open the
BT on your mobile phone to search the device named“BT90" to pair. At the first
you use,Normally the connecon will pair automacally but somemes it will
requires you to enter the password. Please use the password 0000.
Wireless calling:
1.Please press to answer the incoming call or hang off a call.
2.Please press and hold for 2 seconds during call to reject the incoming call
in Wireless calling mode.
3.Please press twice to dial the last Number automacally.
4.When making a call, you can only dial the phone number by your mobile
phone,but once the call connected, you can use the hands-free funcon to
enjoy it.
Playing Music
Turn on the music APP on your phone or insert the USB flash drive/Micro SD
card containing mp3 files into the port.（It will play music automacally if using
USB flash drive/Micro SD card)
1.Press buon to play or pause music
2.Press buon to play previous song
3.Press buon to play next song
4.Long press buon to Fast forward(not support in Line in mode)
5.Long press buon to fall back(not support in Line in mode)
Bass Music:
When listening the music by TF/USB/ or mobile phone. Press the buon “ ”
to enjoy the bass music. Press again to get back the original audio.
Voice Assistant:
" " click to enter the voice assistant funcon, support siri, google voice
assistant
Under the " " voice interface, click again to exit the voice assistant.
Turn On/Off:
When do not need to use the FM funcon,You can long press “ M” for 3
seconds to turn off the device, the charge funcon sll work well.
Also, when you listen music from wireless and TF card or usb drive, you can
press “ M” switch from wireless mode into TF card/usb drive mode or you can
press “ M” switch from TF card/usb drive mode into wireless mode.
AUX input / output
（1）AUX input：This device supports external input, through the AUX
connector to receive music sources, such as MP4.CD.etc and then the music
source will be converted to FM signal by radio
（2）AUX output：The device supports music internal output, which can be
accepted by combining sound, car audio and portable phone.
Packing contents:
Wireless and FM Transmier device
User Guide
3.5mm Aux Cable
4A fuse
Features:
1.Wireless transmits phone call & audio playing to the car FM stereo system via
Wireless
2.Adopt the Wireless 5.0 Technology
3.With bass boost funconality which delivers a deeper bass with touch of a
buon
4.Flexible goose-neck adjusted to find beer viewing
5.1.7 inch display screen
6.Supports line in/out funcon
7.Support to read USB Flash Drive/Micro SD ( Max 64 GB)
8.Three USB charger, output QC3.0+5V/2.4A+1A
9.Voice prompt and hands-free calling for safety driving
Specificaons：
Wireless IC: 5.0
Frequency range: 87.5-108.0MHZ
Frequency stability: ±10ppml
Product Input: 12-24V
Charger output: QC3.0+5V/2.4A + 1A
Micro SD Card/USB Flash Drive (Max Capacity): 64GB
Music Format: MP3/WMA/FLAC
Audio input: 3.5mm stereo jack.
Transmit Distance: about 3 m
Product Size: 6.1*6.1*19 cm
Weight: 88.4g
dimension: 1.7 inches
LINE IN LINE OUT
hand s fr ee ca r k it
Play/Pause/Pick up/Hang off
BASS Booster Buon
Previous Song
Next Song
Voice assistant buon
（Siri&Google）
Adjust fm frequency
Switch Wireless mode
into TF card/USB drive
/Power switch
TF Card slot
Product Overview:
Quick Guide:
Using USB charger funcon:
QC3.0
5V/2.4A
QC3.0
5V/2.4A
10.Feature Switch
/Power switch
Press"M" Buon for 3 seconds to Power switch
FCC Warning
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may
not cause harmful interference, and (2) this device must accept any inte rference received, including interference that may
cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interferenceto radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should
be installed and operated with minimum distance 20cm between the radiator and your body.