Description: 【2 in 1 Audio Adapter】: Transmitter (TX) and receiver (RX) 2 in 1 design, easy to switch. 【Stable Connection】: The transmitter receiver uses V5.3 chip design, lossless stereo, low latency, stronger compatibility and stability. Compact size, easy to carry. 【Multi Interfaces】: The wireless AUX adapter supports AUX//Coaxial/MIC Microphone inputs, can be connected to a variety of devices, including power amplifier, speakers, etc. 【Easy to Use】: The audio adapter is fast and easy to connect when the mobile phone is close to it. 【Wide Application】: The transmitter receiver can easily support all kinds of audio equipment, suitable for smartphones, tablet, speaker, computers, notebooks, headphones, etc. Specification: Version: V5.3 Usage Time: About 10-12 Hours for Listening to Music Transmission Distance: 10-15m Interface Type: Aux/Coaxial/MIC Microphone Input Parameters: DC 5V Size Chart: 94mmx64mmx24mm/3.70inchx2.52inchx0.94inch Package Includes: 1 Audio Adapter 1 Charging Cable 1 Remote Control