[New version of Bluetooth 5.0]The Bluetooth adapter provides a more stable and faster Bluetooth connection via Bluetooth 5.0, and it is suitable for all home speaker systems. Thanks to the Bluetooth 5.0 technology, you can enjoy music.[Transmitter + Receiver 2 in 1]The portable Bluetooth adapter can be used as a transmitter or receiver. TV, MP3/MP4, PC, CD player, iPod etc. non-Bluetooth can be paired with a Bluetooth speaker or headset with this Bluetooth transmitter. In receiving mode: It is ideal for streaming music at home.[RX TX Mode]With built-in advanced technology, support transmitter mode and wireless mode receiver. You can enjoy higher sound quality. It costs less time when transmitting.[Dual and fast connection] In TX mode, you can connect two Bluetooth headsets at the same time with the adapter. After pairing with the first Bluetooth device, simply press the pairing button to pair another device. Slide the button to select TX [transmitter) / RX [receiver) mode, automatic connection without downloading apps. So it is easy to use.[Long battery life and multiple protections]The Bluetooth transceiver with built-in 300mAh battery will serve you about 8 to 10 hours after 2 hours quick charging. Enjoy beautiful sound from a distance of more than 10 meters, without cable connection, without distance limitation. It improves the quality of life.