【New Bluetooth 5.0 Version】 The Bluetooth adapter provides a more stable and faster Bluetooth connection via Bluetooth 5.0, suitable for any home speaker system. Enjoy music with Bluetooth 5.0 technology. 【Transmitter + Receiver 2 in 1】 This portable Bluetooth adapter can function as either a transmitter or a receiver. Connect non-Bluetooth devices like TVs, MP3/MP4 players, PCs, CD players, and iPods to Bluetooth speakers or headphones using this adapter. In receiver mode, it's ideal for streaming music at home. 【RX TX Mode】 With advanced built-in technology, it supports both transmitter and receiver wireless modes, allowing you to enjoy higher audio quality and faster transmission times. 【Dual & Fast Connection】 In TX mode, connect two Bluetooth headsets simultaneously. After pairing with the first device, simply press the pairing button to connect a second. Switch between TX (transmitter) and RX (receiver) modes easily with a slider; automatic connection without downloading apps. 【Long Battery Life & Multiple Protections】 The Bluetooth transceiver features a built-in 300mAh battery, providing approximately 8 to 10 hours of use after a 2-hour fast charge. Enjoy beautiful sound from over 10 meters away, without cable restrictions, enhancing your quality of life.