Wireless For Bluetooth 5.1 Adapter 3.5mm Aux Rx Tx Portable Dongle

Connection Range: 15M. This is an all-in-one three-in-one Bluetooth device for Bluetooth receiving (RX), for Bluetooth transmitting (TX), and calling functions. 1 x Wireless Bluetooth Adapter. The receiving mode is used for ordinary speakers, wired headphones, amplifiers, cars, and other devices, instantly upgrading them with Bluetooth functionality.