TRANSMITTER AND RECEIVER 2-in 1 : portable Bluetooth adapter can used as either transmitter or receiver. In TX mode, the Bluetooth transmitter is plugged into non-Bluetooth devices such as TVs, PCs and Projector or Switch via AUX jack and transmits audio to Bluetooth headphones/speakers/soundbars; in RX mode, it can be connected to wired speaker/earphones and to receive audio from smartphones via Bluetooth.- LOW LATENCY : Low Latency technology eliminate Bluetooth audio delay, so you can watch movies while listening to wireless audio in a synchronized fashion and without any noticeable audio delay or get an undisturbed personal space.- STABLE CONNECTION : With Bluetooth 5.0 technology, Bluetooth transmitter for tv would reduce power consumption and offer fast & stable transmission.- EASY TO USE : According to its status indicators, Bluetooth transmitter and receiver is quite easy to install and use. Driven by USB port, no built-in battery but forever power. Never worry about charging problem or broken battery.- PORTABLE DESIGN : The Bluetooth adapter for car is very small, lightweight and easy to carry.