【Upgrade Technology】Unique screen design can choose the Bluetooth headset or speaker to connect.The screen will show whether the product is in TX mode or RX mode, and there will also be the name of the Bluetooth connected to the product.You could insert the Bluetooth adapter into a USB jack directly, or can also insert it into a power adapter, very convenient. | 【2-in-1 Transmitter Receiver】USB Bluetooth 5.0 Audio Transmitter Receiver can transmit stereo Audio from your non-Bluetooth Audio sources such as TV, MP3, CD player, PC or book Reader to your Bluetooth-enabled headphones, speaker or other receiver, and also can make your non-Bluetooth devices such as headphones, speaker receive the audio from Bluetooth Audio sources, such as mobile phone etc. | 【Transmitter Mode】Especially designed for wireless transfer audio from your non-Bluetooth TV,computer,home stereo system,or CD player to your Bluetooth headphones or speakers.USB power supply,can plug and play this transmitter easily no need any other driver software.Visual operating interface,BT name listed on the display more convenient. | 【Receiver Mode】Designed for car stereos/speakers/headphones and most mobile devices with 3.5mm aux in port,make ordinary speakers instantly become wireless Bluetooth stereo speakers,wireless stream music from your smart-phone to your car or home stereo. | 【Reliable and Friendly Customer Service 】If you're not satisfied with your purchase for any reason, please contact us (through Amazon if past the standard return window) and we will be happy to assist you.