For TV Car 2 in 1 USB Wireless Bluetooth 5.0 o Adapter Transmitter Receiver The product is shipped based on the color or size of the main image of the product page. : Transmitter mode---Wirelessly streams audio from your Non-Bluetooth TV, home stereo system, or CD player to your headphones/speakers/receiver for Bluetooth Receiver mode---Wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones Mode s ing---If you need to use its receiver or transmitter mode, you just need to press one key to s them. Easy and convenient As it is a receiver, it can send the music from your computer or so on to the headphone, loudspeaker box, etc., drawing yourself into the music world without requiring to set too many things adapter for Bluetooth 5.0 is both a receiver and a transmitter, which is easy to operate and can freely send and receive the audio signals S pecifications: : T-10 Product color: Product size: 43*21*11mm Input voltage: 5V Transmitter mode: Red LED light is on Receiver mode: Blue LED light is on : For Bluetooth Wireless S