AI VC21S User manual

AI Voice Assistant BLUETOOTH HANDS-FREE CAR KIT
Hit the road with VC21S
Owner’s Manual VC21S
Support Offline Voice Control | AI Voice Assistant

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1. Introduction
Thanks for choosing our model VC21S. This device allows you to stream the music from your mobile phone
and take phone calls from car stereo system. Just plug into the USB port in your car or USB car charger and
sync it with your phone’s Bluetooth. What’s more, the offline voice command feature adds more
hands-free and takes your driving experience to another level. To have a better experience, please read this
instruction carefully.
2. What’s included
Main Unit
User Guide
3.5mm Aux Cable
Spare Fuse
3. Product information
Features
Dual Internal Microphones for Echo Canceling and Voice Pickup
Quick activation of voice assistants such as Siri/google assistant etc...;
Support offline voice commands with 100% sensitive and accurate recognition: answer the phone;
reject the call; play music; stop playing; play next; play previous; volume up; volume down;
Dual way for Audio Streaming to your car stereo: FM Transmission, Aux jack
Flexible goose-neck adjustable to find better viewing
Dual USB Charging Ports: 5V/2.4A+QC3.0
Voice Prompt and Hands-free Calling for Safe Driving
Detect the voltage of the car battery when powered on
Low Battery Alert
With big Yellow LED Display
Default Language: English
With Short-circuit, over-voltage, over-current; over-temperature protection;
Bluetooth Version 5.0
Specifications
Radio Sources: FM
Frequency Ranges: 88.1MHz-107.9MHz
Power Input: 12-24V
Power Output: DC 5V/2.4A; QC3.0
Bluetooth Protocol: AVRCP, A2DP, HFP, HSP
with Line-Out
Transmit Distance: 3m
Product Weight: 80g
Product Dimension: L230mm*W76*H71mm

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LED Display Dimension: 16*27*5MM (1.1inch)
Product Color: Black
Material: ABS
4. Important Safety Instructions & Precautions
This manual contains important safety and operating instructions for the AI Voice Assistant Hands-free Car
Kit, VC21S. Please read and understand all instructions before using this product. If damage is caused by
failure to follow the instructions, the warranty does not apply.
Read all instructions and cautionary markings before using this product.
Do not expose to rain, moisture, or snow.
Use of an attachment is not recommended or sold by the manufacturer may result in a risk of fire,
electric shock, or injury to persons.
Do not operate this device if it has received a sharp blow, been dropped, or otherwise damaged in
any way; take it to a qualified service person.
Do not disassemble this device; take it to a qualified service person when service or repair is
required. Incorrect reassembly may result in a risk of electric shock or fire.
To reduce risk of electric shock, unplug this device before attempting any maintenance or cleaning.
Turning off controls will not reduce this risk.
To reduce risk of fire or electric shock, do not interconnect output terminations.
Avoid long exposure to direct sunlight, which may cause damage to the device.
Exposing this product to open flames may cause it to explode.
Do not use this product in strong magnetic fields.
Use a dry, soft lint-free cloth to clean. Do not use any corrosive cleaner or oil to clean.
CAUTION - For continued protection against risk of fire, replace only with the same type and
ratings of fuse, fuse rating is 250V DC /3A.
Always obey traffic laws and pay attention to the road. Do not attempt to use this device while
driving, as some features are limited while the vehicle is in motion. Failure to pay full attention to the
operation of your vehicle could result in death, serious injury or property damage. You assume total
responsibility and risk for using this device.

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5. Product Interface

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Button Controls
Buttons
Activities
Functionalities
Press once
To activate Siri/Google assistant
(blue and green light blinks alternately)
Press once
again
To deactivate Siri/Google assistant
(blue light stays on)
Press once
Pause/Play music
Pick /Hang up phone calls
Play / Pause music
Press and
hold
Reject phone calls
Switch to Private Call
Enter frequency tuning mode
Press twice
Redial the last caller from the call log
Press once
Last track
Last frequency
Press and
hold
Increase volume or frequency
Press once
Next track
Next frequency
Press and
hold
Decrease volume or frequency
6. LED Indications
Status
LED Indicators
Power on and ready to
pair
Blue light blinks
Connected
Bluet light stays on
Voice assistant
activated & listening
Blue and Green light blinks alternately
Incoming call
Blue light
During call
Blue light
Hang-off or Reject call
Blue light
7. Getting Started
Plug VC21S into your vehicle’s cigarette lighter socket and then start the engine; the LED ring-light
indicator will stay blue.

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Connectivity for audio steaming from your cellphone to the car speakers
Connect mobile phone to car stereo via Bluetooth.
Set up the unit and your car radio with the same frequency. You can also use an Aux cable to
connect the unit to your car stereo.
8. How to use the AI Voice Assistant
VC21S comes with an offline voice command feature which is completely data-free. You can play/pause
music, take/reject a voice call etc. by using your voice.
To activate the voice service feature, say the 8 wake words:
answer the phone;
reject the call;

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play music;
stop playing;
play next;
play previous;
volume up;
volume down;
VC21S will respond instantly.
9. Charging your Devices
VC21S has dual USB charging ports. You can charge two devices at the same time with a maximum output
of 5V/2.4A+QC3.0.
These materials are protected by copyright law and international treaties. Any unauthorized use, reproduction or
distribution of these materials, or any portion herein, will result in severe civil and criminal penalties and fines.
Violators will be prosecuted to the fullest extent of the law.
END

Federal Communications Commission (FCC) Statement. This device complies with part 15 of the
FCC Rules. Operation is subject to the following twoconditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired operation. 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 interference to
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 ormore 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.
Warning: Changes or modifications made to this device not expressly approved by SAGE HUMAN
ELECTRONICS INTERNATIONAL CO., LTD. may void the FCC authorization to operate this
device.Note: The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modifications to this equipment. Such modifications could void the user’s authority
to operate the equipment.
RF exposure statement:
The transmitter must not be colocated or operated in conjunction with any other antenna or
transmitter. This equipment complies with the FCC RF radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with a Minimum
distance of 5mm between the radiator and any part of your body.