[Bluetooth mitter and Receiver 2-IN-1] This aux bluetooth adapter supports RX receiving mode, TX mitting mode, TF card mitting mode and TF card playing mode (TF card is not included). 4 playback modes can be adjusted at , listening to music is no longer limited! [V5.4 Chip] This Bluetooth adapter, low latency technology provides clear, distortion free digital sound and low latency through devices that support , and is equipped with a Bluetooth V5.4 chip to achieve stable connections, wide signal range, fast mission, and reduce power consumption. [Dual-Link Bluetooth Receiver] The bluetooth mitter and receiver features an HD status display for real-time updates. It can connect two headphones simultaneously for shared audio. This bluetooth airplane headphone adaptor is compatible with any 3.5mm AUX and Type-C device for easy, hassle-free connection. [Hands-free Calling] The Bluetooth receiver with built-in microphone, when plugged into the car AUX interface, connected to the mobile phone Bluetooth, you can listen to songs and navigation and hands-free calls three in one, provide you with clear sound quality. [HD Status Display] Built-in high-definition display, the bluetooth mitter 3.5mm can display real-time working status. With 320mAh rechargeable battery, the airplane bluetooth adapter charging one hour can be used for 4-5 hours..Support PC, charging treasure, car USB and other charging methods, and can be used while charging, so you can reduce the attention to the battery power. [Wide Compatibility] This airplane bluetooth mitter receiver is compatible with most devices on the market, such as televisions, car stereos, home stereos, headphones, audio music streaming systems, speakers, PCs, MP3, and other devices. Color:White Material:plastic Package Contents: 1 x Bluetooth Adapter 1 x Charging cable 1 x Aircraft adapter Only the abo