Effortlessly switch between transmission modes with this 2-in-1 audio Adapter. Transmit audio from your phone, computer, or TV to Bluetooth-compatible headphones or car speakers in TX mode, or receive music wirelessly in RX mode for a versatile audio experience. Enjoy uninterrupted music playback for up to 15 hours with the large capacity 250mAh rechargeable battery of this wireless audio adapter. Say goodbye to constant recharging and immerse yourself in your favorite tunes without interruptions. Benefit from the latest Bluetooth-compatible 5.3 technology integrated into this adapter, ensuring a stable connection and minimal audio latency. The built-in antenna enables barrier-free transmission up to 15 meters, delivering high-definition stereo sound quality for an immersive listening experience. Simplify your audio setup with the easy-to-use design of this Bluetooth-compatible adapter. Switch between transmit and receive modes effortlessly by following the intuitive instructions, allowing you to stream music, answer calls, and expand the functionality of various audio devices with ease. Transform traditional home stereo systems into Bluetooth-compatible devices with this adaptable adapter. Stream music from your phone to any audio system, including computers, TVs, and more. Description: Introducing our versatile audio adapter, a 2-in-1 device that functions as both a transmitter and receiver for seamless audio streaming. In receive mode (RX), simply plug-one end of the audio cable into the "RX" port and the other end into your speaker. Pair with your phone through Bluetooth-compatible to enjoy wireless stereo music with the A13 connection. The built-in 250mAh battery offers up to 15 hours of playback time, providing extended usage. Switch to transmission mode (TX) by connecting the audio cable to the "TX" port and pairing with Bluetooth-compatible headphones or car speakers for hassle-free audio streaming. With Bluetooth-compatible 5.3 chip technology, experience stable connections and low latency up to 15 meters away, ensuring high-definition sound quality. Upgrade your audio experience with our audio adapter today! Item Name: Audio Adapter Material: Metal BT Version: 5.3 Frequency: 2.4Ghz to 2.48Ghz Battery Capacity: 250mAh Battery Life: 15 Hours Charging Time: 2 Hours Link Distance: 0-15 Meters Features: Universal, Easy to Use, Practical Size Details: L: 7.2cm, W: 5.7cm, H: 1.6cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Audio Adapter 1 x Audio Cable 1 x Charging Cable 1 x User Manual