SY319 Bluetooth 5.0 Audio Receiver Transmitter Three in One USB Adapter

Main Features

Packaging accessories:
1* 5.0 bluetooth receiver transmitter
1* AUX audio cable
1*Chinese and English manual

Pairing steps:
This product is plug and play, no need to drive
A: Boot Mode - Red Light
1. Insert the device into the USB interface to supply power, switch to the startup mode, the red light flashes, and enter the automatic search for Bluetooth devices (such as Bluetooth adapters, Bluetooth headsets, Bluetooth speakers), etc.;
2. Insert one end of the 3.5MM audio cable into the AUX interface of the adapter, and the other end into the audio output hole or RCA audio signal output TV hole of TV, projector, tablet computer, MP3, CD player and other equipment;
3. Turn on the Bluetooth device and adjust it to the pairing state. The pairing is successful, and the red light is always on.

Note:
①The computer is plug and play, no driver, no connection (only audio can not transmit data). If there is no sound, please set the sound as the sound card output in the sound settings.
② Different Bluetooth devices (such as Bluetooth headsets) have slightly different search connection times due to different schemes and protocols used, which is a normal phenomenon.
③ If the pairing fails or cannot be connected for a long time, you can turn off all devices and start pairing again.
B: Receive mode - blue light
1. Plug the device into the USB port for power supply, switch to the receiving mode, the blue light flashes, and enter the wireless receiving state (when the computer is turned on, first insert the data cable into the product, and then insert the product into the computer);
2. Insert one end of the 3.5mm audio cable into the AUX interface of the adapter, and the other end into the audio input interface of the playback device (such as headphones, speakers, cars, etc.), or plug the 3.5mm audio cable into other playback devices into the device's audio port.
3. Turn on the bluetooth function of the mobile phone or tablet, automatically search for bluetooth devices, select "RT-09" in the bluetooth list and click pairing. After the pairing is successful, the blue light is always on.
Note:
①You can also directly insert the device into the reading U disk interface of the player to realize the Bluetooth function.
②When the connection is successful and there is no sound, please delete the paired device, there may be a Bluetooth device conflict.