Bluetooth 5.4 Transmitter Receiver, Wireless Aux Bluetooth Adapter for Flugz1949 Item Description: [Bluetooth Transmitter and Receiver 2-IN-1] This AUX Bluetooth adapter supports RX receive mode, TX transmit mode, TF card transmit mode and TF card play mode (TF card is not included). 4 playback modes can be set as you like, listening to music is no longer limited! The AUX to Bluetooth adapter provides Bluetooth functionality for audio devices such as amplifiers, home stereos, speakers, headphones or car speakers, you can enjoy wireless music streaming. [Bluetooth 5.4 Upgraded] Adopts the latest Bluetooth 5.4 technology to ensure a more stable and faster connection. The range of the Bluetooth AUX adapter is 10m, the signal will not be delayed to give you a smooth listening experience, and supports automatic reconnection function. (Bluetooth receiving function: connect 1 mobile phone; Bluetooth transmitting function: connect 1 pair of Bluetooth headphones). [Hands-free function] The Bluetooth receiver with built-in microphone is plugged into the car's AUX interface and connected to the mobile phone via Bluetooth. So you can listen to songs, navigate and make hands-free calls - three in one, with clear sound quality. You safe! The Bluetooth transmitter weighs less than 30 grams. Ideal for road trips, camping or business trips. [HD status display] Built-in high-resolution display, the 3.5mm Bluetooth transmitter can display the working status in real time. With a 200mAh rechargeable battery, the airplane Bluetooth adapter can be used for 6-7 hours after one hour of charging. Supports PC, charging treasure, car USB and other charging methods, and can be used while charging, you pay less attention to battery power and can adjust the streaming time as you like.