USER GUIDE
Wireless FM Transmitter
Contents & Information
CONTENTS & INFORMATION
OVERVIEW
CONTROLS
OPERATION
SPECIFICATIONS
LEGAL
WARRANTY
SAFETY PRECAUTIONS
TROUBLESHOOTING
Setup
Switch Mode
Hands-free Calls
Charging
Statement
Features
FEATURES
Overview Controls
Turn left once/
right once
Music Mode: Previous /Next
FM Station: “-”/ “+” frequency
Buttons Action Behaviors
“ ”
Operation
SETUP
1. Insert DC plug into 12/24V
DC port. Display shows
vehicle battery voltage first,
then turns to FM station.
- Hands-free calling with built-in microphone
- 12W Charging (USB-A)
- Bluetooth / Flash Drive
- Display
· FM frequency
· Vehicle battery voltage level
Turn left for 3
Seconds
Clear Bluetooth Connection
Answer/End the callPress once
Call Back
Press Twice
Enter FM Station Setting
Long press
2. Turn on vehicle radio. Select unused
FM station (FM 88.1 to 107.9).
(Note: lf sound quality is poor try another
unused FM station.)
F M 88. 1
88.1
F M 107.9
107.9
107.9
Model #VM-203S_EN_11/03/2026
Microphone
Display
Knob
Flash Drive
DC Plug
USB-A
VM-203 S
Pair Device
First-time setup:
- Power On
- Bluetooth indicator flashes in “Pairing
Mode”
- Connect to “VM-203S” on smartphone
- Voice confirmation of successful
connection
88.2
3. Press and hold the knob to enter FM station setting, and set the
frequency by rotating the knob.
88.8
88.9
88.7
Press
- “ ” once to answer an incoming call or end a call.
- “ ”twice to call back last phone number.
FCC Statement
Legal
Bluetooth Trademark Statement
The Bluetooth word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc. and any use of such marks by Artsun Enterprise Company
Limited is under license. Other trademarks and trade names are those of their
respective owners.
Specifications
DC Input:
12V-24V
Audio Frequency:
20Hz~20kHz
Bluetooth Working
Frequency:
2.402~2.480Ghz
Sensitivity:
-89dBm
Output:
5V-2.4A Max
Working Current:
2A(Max)
Bluetooth Eective
Distance:
32ft
RF Output:
3.13dBm
Bluetooth Version:
V6.0
Stand-by Current:
35mA(Max)
FM Emission
Eective Distance:
6ft
FM Frequency:
88.1MHz-107.9MHz
STATEMENT
Warranty
The Warranty Period lasts for 1 year (365 days) from the date you purchased the
Product. Your purchase date is printed on the receipt you received with the
Product.
This limited warranty applies only to hardware components of the Device that are
not subject to accident, misuse, neglect, fire or damage from other external
causes, alteration, repair, or commercial use.
Walmart,Inc., Bentonville, AR72716
https://www.walmart.com
Customer Service: [email protected]
Troubleshooting
Please note product features may be upgraded without any
notice.
Issue Problem
Prevention/Solution
Theselected FM
station is the same
as a broadcast FM
station
Change toanotherFM
station
Incorrect FM station
selected
Adjust the device FM
station to match the vehicle
FM station
Poor sound
quality
No audio
transmitted
RF Exposure Information
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.
Safety Precautions
WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
No harsh cleaning
chemicals. Clean
with dry soft cloth.
Do not
disassemble
Warning Spray
Keep Dry
Warning
Flammable
CAUTION
WARNING
Note: May also use the Bluetooth connected
device to disconnect the call.
Example
VM-203S
End the CallTalking
Incoming Call
HANDS-FREE CALLS
USB-A Charing Port: 12W 5V/2.4A
CHARGING
When a USB flash drive is inserted, the files in the USB flash drive
will be played first, and Bluetooth playback will resumed after the
USB flash drive is removed.
SWITCH MODE
88.1
1-888-516-2630
7 DAYS/WEEK 7:00am- 9:00pm CST
SAVE THIS USER GUIDEHAVING TROUBLE? WE CAN HELP
Read entire user guide
before installation and use
Made in Vietnam
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 interference to radio or television
reception, which can be determined by turning the equipment o 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 dierent from that to which
the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.
Caution: Any changes or modifications to this device not explicitly approved by
manufacturer could void your authority to operate this equipment.
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 interference received, including interference that
may cause undesired operation.
型号：V -M 203S
材质：
双铜纸
120g
印刷：四色双面印刷+
专色pantone 2728 C
展开尺寸： 114.3*800.1mm
成品尺寸：114.3*114.3mm
折页方法：风琴折
PANTONE 2728 C CMYK
