🎧 Enhance your TV/Home Audio System with the PNGKNYOCN USB Bluetooth 5.0 4-in-1 Wireless Audio Transmitter Receiver Adapter Review

【Wide range of applications】: USB Bluetooth 5.0 adapter can be used for almost all devices with audio input/output (3.5mm auxiliary audio interface). When used with Bluetooth headsets or Bluetooth speakers, you can easily enjoy music and TV programs without affecting others and ensuring privacy. (USB 5V power supply, don’t worry about running out of power when listening to music). 【BLUETOOTH TRANSMITTER RECEIVER】 - 1 Transmitter mode: transmit audio from non-Bluetooth audio sources (TV, PC, CD / DVD player, etc.) to Bluetooth headphones / speakers via 3.5mm audio cable. 2 Receiver mode: transmit audio from Bluetooth audio sources (smart phone, tablet, Bluetooth TV/PC) to non-Bluetooth headphones / speakers / car / home sound system via 3.5mm audio cables. 【ONE KEY SWITCH MODE】 - Simply press a button to quickly switch transmitter / receiver mode. After the Bluetooth adapter is powered on, red light in TX - Transmitter mode, blue light in RX - Receiver mode. 【USB audio transmission】Transmitter mode: 1 Transmit audio through the USB port (wireless transmission). 2The audio is transmitted through the AUX port 3.5mm audio cable. Receiver mode: The audio is transmitted to the speaker through the AUX port 3.5mm audio cable. 【Answering/hanging up calls】in Receiver mode, when you have an incoming call, press the button to answer the call hands-free.