Owner's Manual

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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