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Features
• Adjust the local channel to the car radio channel to be consistent, which can realize SD
card music transmission to car speakers and solve the battery life charging of mobile
phones and other smart devices. Bluetooth hands-free call function can be realized
through car audio by connecting Bluetooth with mobile phones. Turning on the noise
canceling button during high-speed operation can eliminate road noise, wind noise,
environmental noise, etc., and realize your high-definition call experience.
Product installation
1. Put the threaded knob on the end of the air outlet bracket.
2. Insert the set of air outlet bracket into the round hole at the back of the main unit.
3. Tighten the thread.
4. Open the air outlet bracket and insert it into the car air-conditioning air outlet grille,
tighten the screws to the best strength, adjust the angle of the machine, and then use it.
Parameter
Wireless version
V5.0
Product name
KM21
Effective distanc
5m
Memory card format and capacity
Micro SD card, support 64G
FM frequency range
87.5-108.0MHZ(UK) ;88.1-107.9MHz (US&CA)
Compatible audio format
MP3.WMA.WAV.FLAC, APE
Compatible with Bluetooth protocol A2DP/AVRCP/HSP/HFP
Orange fast charging port
supports QC3.0 Protocol (DC 3.6-6.5V/3A,
6.5-9V/2A, 9-12V/1.5A)
Product Diagram
Packaging accessories
1
Microphone
2
The display screen
3
Combination function
a.Noise canceling button
b. Long press for 3S to tap to start Siri&google
4
Combination function
a. Bass booster button
b. Long press 3S to Switch audio source
5
Phone buttons: play/pause/answer/hang up/Adjust FM frequency
* Music mode: short press to play/pause
*I ncoming call mode: short press to answer; long press: reject
* During a call: short press to hang up; long press: transfer to a private call
* Long press 2S: enter FM mode
6
Music mode: previous song
long press Songs fast back
7
Music mode: next song
long press Songs fast forward
8
press to turn off the ambient light
Press and hold for 3 seconds to shut down
Knob:*turn left to volume V-, turn right to volume V+
*enter FM mode: rotate CH- to the left and CH+ to the right
9
QC3.0 fast charging port (DC3.5-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A)
10
2.4A charging port
• FM transmitter*1
• Instruction manual*1
• Air outlet bracket*1
• 3.5MM audio cable*1
• 4A fuse*1
Summary of Contents for KM21
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