【Bluetooth 5.0 Transmitter and Receiver】 In Transmitter mode (TX), turn a non-Bluetooth TV, PC, CD player, iPod, MP3 / MP4 into a Bluetooth transmitter while pairing with Bluetooth stereo. Receiver mode (RX): Ideal for home or vehicle music streaming sound system. Works with device which have 3.5mm interface. | 【Easy To Use】 Switch transmitter/receiver mode by toggling the TX/RX switch. Red light flashes in transmitting mode (TX), blue light flashes in receiving mode (RX). Audio transmission is through 3.5mm audio cable(except used on PC). No driver is required. | 【Easy To Use】 Switch transmitter/receiver mode by toggling the TX/RX switch. Red light flashes in transmitting mode (TX), blue light flashes in receiving mode (RX). Audio transmission is through 3.5mm audio cable(except used on PC). No driver is required. | 【Bluetooth Everywhere】 With upgraded V5.0+A2DP technology, our wireless audio adapter enables more stable connection with devices. It seamlessly connects to TV, Car, Stereos, PC, Laptop, MP3, Smartphone, Tablets, iPhone, iPod, Speakers, Headphones, Wired Earphones and achieve a range of up to 50ft (15m) in open air and up to 33ft(10m) indoors. | 【USB Power Supply, Plug and Play】 You can insert the Bluetooth adapter into a USB port directly, or insert it into a power adapter. As long as the Bluetooth adapter connected with a power, you will never worry that it will run out of power while enjoying music.