Note: when you first insert SY317, the light is Red, it is in TX (Transmitter)Mode, which will not switch to RX Mode automatically. It needs you to unplug the SY317 and then insert again, the light will become Blue, and it is in RX(Receiver) Mode now.
Sometimes when it is in the same mode for long time, you need to repeat unplug and insert twice, and it will change to the other mode, please remember:
- Transmitter mode:Red Light ON, pair with Bluetooth Headphone or Bluetooth Speaker, streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers
- Receiver mode: Blue Light ON, pair with Bluetooth phone, streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones.
There is no built-in battery, and it is powered by DC 5V usb interface
Q1: Why i can not find the SY317 in my computer?
A: When you plug the SY317 to your computer usb port, The computer’s usb port just be used as a power supply for the SY317. So the computer don’t needs to see it, you just need to connect it with PC by 3.5mm AUX cable so it will work for PC. When using for PC, you must use TX mode(Red light blinking). Then pair with your Bluetooth earphone/speaker.
Q2: Why I can not find the SY317in my smart phone bluetooth ?
A: When you use the SY317 to pair with your phone, you need to confirm the SY317 was in bluetooth receiver mode (LED light should be BLUE blinking).If the light was red blinking,Its bluetooth transmitter mode ,not receiver mode ,so you can not find it in your phone.
Q3: Why I can not pair with my bluetooth earphone ?
A: When you use the SY317 to pair with your bluetooth earphone, you need to confirm the SY317 was in the bluetooth transmitter mode (LED light should be RED blinking). Aux should be connected with PC and SY317 . If the light was blue blinking,its bluetooth receiver mode ,not transmitter , so you can not pair with your bluetooth earphone.
Q4: How to change between bluetooth transmitter(RED light) and receiver mode(BLUE light) .
A: Red light was bluetooth transmitter mode; Blue light was bluetooth receiver mode;The way to change the light was re-plug the USB device to your usb power supply.
Q5: Why I connect successful,but its don’t have sound?
A: In transmitter mode(Red light): You need to use the 3.5mm audio cable to connect your TV/PC/Tablet with our SY317. Noted, The 3.5mm cable should be plugged into your TV/PC/Tablet’s 3.5mm audio output. In receiver mode(blue light): You need to use the 3.5mm audio cable to connect your Amplifier/wired speaker/car audio system with our SY317. Noted, The 3.5mm cable should be plugged into your Amplifier/wired speaker/car audio system 3.5mm audio input.
Q6: Can I use for my wireless keyboard/mouse ?
A: Not support !! Our device only can be used as bluetooth receiver or bluetooth transmitter. Can not be used as a WiFi/Wireless adapter to connect with WiFi network and dose not work with keyboard / mouse.
Q7: Can I use it to connect between phone and Amplifier/wired speaker/car audio system etc?
A: Yes ,but you need to confirm your Amplifier/wired speaker/car audio system have 3.5mm audio output port.
Q8: Can I use it to connect between bluetooth earphone/speaker and TV/PC/Tablet/CD Player/MP3/MP4 ?
A: Yes. But you need to use the 3.5mm cable plug into your TV/PC/Tablet/CD Player/MP3/MP4’s 3.5mm AUX audio port. Then connect with our device.
Q9: Why when I connect with the SY317 , Its have noise or the sound weak ?
A: Its because you used the USB Power supply can not suitable for SY317, You need to change another USB power supply and confirm the USB power supply only support DC 5V output, Can not support 9V/12V or various output.
- 1x Bluetooth 5.0 Audio Transmitter/Receiver Adapter
- 1x 3.5mm Aux Cable
- 1x User Manual (No Retail Box!)