bluetooth 5.0 2-In-1 Audio Wireless Receiver Transmitter Stereo AUX RCA USB 3.5mm Jack Adapter DC 5V

$75.99 $113.99
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Terms & conditions
 bluetooth 5.0 2-In-1 Audio Wireless Receiver Transmitter Stereo AUX RCA USB 3.5mm Jack Adapter for TV/Car
 
Specifications:
Product Name: bluetooth Transmitter Receiver
bluetooth chip:CSR8675
bluetooth name:RBT-551
bluetooth version:bluetooth 5.0
Protocol:RX:A2DP  AVRCPTX:A2DP
Operation Range: Up to 10m  (without any blocking objects)
Battery:400MA
Working Hours:RX>10_H    TX>10_H
Charging  Hours:about 3 hours
Voltage:DC 5V
Input/output connection:SPDIF, 3.5MM stereo audio interface

 
LED indicator definition:
- Red light is on: When the device is charging, it will automatically go out after being fully charged.
- Blinking red: The device has a low battery alarm and the charge can be removed.
Red and blue lights flash alternately: The device is in RX receive mode (waiting for pairing)
The blue light flashes twice twice (cycle 2S:) The device is in the RX receive mode (reconnect mode)
The blue light is on: The device is in the RX receive mode (the connection is successful).
No music play)
Fast blue light: The device is in TX receiving mode (search for nearby bluetooth devices)
The blue light flashes slowly: The device is in TX receiving mode (bluetooth is successfully connected)

Charging:
 This product has a built-in rechargeable battery for long-term standby and use. When the product is in normal use, 
“the red light flashes, indicating that it is in the low battery alarm mode and needs to be charged. (It is recommended
to fully charge it before using it for the first time.)
A. Plug one end of the Micro USB charging cable into the product charging port and the other end to the standard
USB 5V power output port (such as mobile phone charger, computer USB interface).
B. The red light is on when charging, and the red light is off after charging is completed.
 
Note:
1. When the battery is too low or the quality of the charging power is poor, current interference noise may occur during charging.
2, often used for charging, will affect the battery life.
3, the product, please try not to low battery storage, low battery storage for a long time may cause the battery automatic
protection can not supply power.
 
Functional Operation:
1. Power on/off: long press the on/off button (the interval should not be lower than 3S). When the light is on, it means
the boot is successful.
   RX boot light effect: red and blue lights,
   TX boot light effect: blue light flashes twice and once off (cycle 2S)
2. The device automatically enters the back-to-back pairing search state.
When the device is turned on, the device automatically enters the connection state, and the 5S does not return to
automatically enter the pairing state (the TX/RX lamp effect is different)
3. Quickly enter pairing mode
After the device is turned on, press the power button twice to quickly enter the pairing search status.
4. AUX/SPDIF mode switching:
The device audio adopts manual switching mode, and the toggle switch to SPDIF is the optical fiber input/output mode.
When the toggle switch is connected to AUX, the interface audio cable will automatically switch to AUX (input/output),
and you can use AUX according to your preference. Or SPDIF mode. In SPDIF mode, the device plugs into the SPDIF
IN port and implements the TX (transmit) function. It is also necessary to insert the SPDIF OUT port to implement the RX (receive) function.
AUX Distinguishes:
- In RX mode, AUX is connected to external speakers.
In TX mode, AUX is connected to external audio input.

Automatic shutdown function:
The device is in the unconnected state, and automatically enters the sleep mode after 5 minutes. It needs to be turned
on and off again.
RX receiving mode:
In the receiving mode, this product can transfer the music on the mobile phone, computer and PAD to the audio equipment
with AUX/SPDIF audio input interface through the bluetooth receiving function of the product.
Steps:
A. Place the RX/TX switch on the side of the device on the RX end and press and hold the power button. When the device
is turned on, "the red and blue lights are on (the red light is off after 1S).
B. Double-click the button, the device quickly enters the pairing search state, and the red and blue lights alternately flash rapidly.
C. Insert the fiber optic cable into the device SPDIFOUTRX interface or 3.5MM audio cable into the AUX interface, and insert
the other end of the fiber optic cable or 3.5MM audio cable into the audio input port of the audio device in the home. Switch
freely through the SPDIF/AUX switch on the side of the device
D. Turn on the bluetooth function of the mobile phone, click Search for bluetooth device, select and click the device name
“_
RBT-551 _” in the bluetooth list.
E. After the connection is successful, the blue light on the device is always on, you can use this device to enjoy the music!
TX transmission mode:
This product is in the launch mode and can be used with the TV to wirelessly forward the sound to a bluetooth device
(bluetooth headset) or bluetooth speaker.

Steps:
A. Turn on the bluetooth speaker or bluetooth headset waiting to be connected and put it in the waiting pair.
B. Place the RX/TX switch on the side of the transmitter device on the TX end, and press and hold the (3S) power button.
When the device is turned on, the blue light flashes twice and goes out once (cycle 2S), and the boot is successful.
C. Double-click the button, the device quickly enters the pairing search state, and the blue light flashes quickly).
D. Insert the fiber optic cable into the SPDIFINTX interface on the transmitter device, and insert the other end of the fiber
optic cable into the TV output interface of the home.
If you are using the AUX audio interface, please insert the 3.5MM audio
cable into the AUX interface on the device,
and insert the other end of the audio cable into the TV audio output connector in the home.
E. On the device, the blue light flashes quickly and search for a bluetooth device (bluetooth headset or speaker). Please
connect this product and a bluetooth device (such as a bluetooth headset) within 1M.
F. After the product pairing is successfully connected, the blue light is slowly on, and it can be in your bluetooth speaker or earphone.

Note:
1.Different bluetooth devices (such as bluetooth headsets) will have different search connections depending on the protocol and protocol used.
On the device in 2TX mode, the blue light flashes quickly to search for the status of the bluetooth device (bluetooth headset or speaker).
2.It is recommended to put the bluetooth speaker or bluetooth headset into the pairing state and then turn on the device,
which can improve the connection speed.
3.When using the device, please do not place the device on a metal object, and place the device in front of the TV without obstruction.
4.When using high-rate audio input to play (such as Blu-ray DVD source), it may cause sound interruption/snap phenomenon.
This product supports 24bit/48KHZ transmission.

TX transmission mode one for two functions:
A. Refer to the above connection procedure to connect to bluetooth A (bluetooth headset or speaker).
After the B or A bluetooth device (bluetooth headset or speaker) is successfully connected, please turn on the
bluetooth device No. B (bluetooth earphone or speaker) and put it in the standby connection state.
C. Double-click the button, the device quickly enters the pairing search state (the blue light flashes rapidly), and starts
to search for the bluetooth device No. B (bluetooth earphone or speaker). After searching for the bluetooth device
No.B, it will automatically connect.
D. After the connection is successful, the blue light on the device flashes slowly, and the A and B bluetooth devices
(bluetooth headphones or speakers) emit sound at the same time.
 
Note:
1.If you cannot search for the bluetooth device connected to B, you can double-click the power button on the device.
Try pairing the search connection again.
2.If you can't connect to A and B bluetooth devices (bluetooth earphones or speakers) at the same time, or the sound
is not normal after connecting the bluetooth device (such as no sound), you can try to shut down and
restart the transmitter device.
3. Because there are differences in the schemes and protocols used by different bluetooth devices (bluetooth headsets
or speakers), the next time the transmitter mode is used, the next two connections may be unsuccessful and no sound.
You can try to disconnect a bluetooth device.
 
Package Included:
1x bluetooth transmitter Receiver
1x Product Specification
1x USB charging cable
1x 3.5MM audio cable
1x RCA audio cable
1x Fiber optic cable 











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