50pcs/lot Bluetooth 5.0 Audio Receiver Transmitter 3 in 1 Wireless Bluetooth Adapter Mini 3.5mm AUX RCA Stereo Car Kit For TV PC

Bluetooth 5.0 Audio Receiver Transmitter 3 IN 1 Mini 3.5mm Jack AUX USB Stereo Music Wireless Adapter for TV Car PC Headphones

Why 3 IN 1 ?

1.Transmitter Mode (TX): Wirelessly transfer audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers.

2.PC Audio Transmitter Mode: Wirelessly transfer audio from the PC, notebook to Bluetooth headset or speaker through USB port, no audio cable is required.

3.Receiver Mode (RX): Wirelessly transfer audio from your Bluetooth-enabled phone, tablet, or computer toyour wired stereo, speakers, or headphones.

Q1: Why i can not find the KN330 in my computer?

A: When you plug the KN330 to your computer usb port, The computer's usb port just be used as a power supply for the KN330. 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 KN330 in my smart phone bluetooth ?

A: When you use the KN330 to pair with your phone, you need to confirm the KN330 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 KN330 to pair with your bluetooth earphone, you need to confirm the KN330 was in the bluetooth transmitter mode (LED light should be RED blinking). Aux should be connected with PC and KN330. If the light was blue blinking,its bluetooth receiver mode ,not transmitter , so you can not pair with your bluetooth earphone.