Product Description: Bluetooth 5.1 Digital Sound Transmitter - Elevate Your Audio Experience Applicable Devices: Transform your audio experience with our HiFi Bluetooth receiver transmitter. Seamlessly transfer high-quality music from your cell phone, computer, or tablet to any home stereo system via Bluetooth. It also supports music transfer from your TV, computer, projector, or amplifier to Bluetooth headphones or speakers. With automatic proximity connection, this device is truly plug and play, making it incredibly easy to use. Bluetooth 5.1: Equipped with a premium 5.1 chip, this sound adapter ensures a fast and stable Bluetooth connection. It supports AUX, coaxial, and microphone connections, and also allows music playback from USB flash drives and memory cards. Its powerful compatibility meets all your daily music needs. The device features various function indicators, providing an intuitive way to monitor its operational status. Connect to App: Experience enhanced functionality with our upgraded Bluetooth receiver. The GTMEDIA Connect app, available on the Play Store and App Shop, allows you to control various functions directly from your phone via Bluetooth. This app integration offers a seamless way to explore and enjoy more features of our product. Simple to Use: Once your sound device is connected, simply link the Bluetooth receiver to your speaker using an AUX sound cable to enjoy HiFi music. Effortlessly switch between different modes, such as USB mode, microphone mode, and coaxial sound conversion mode. The included remote control lets you adjust volume, skip tracks, and connect channels with ease. Wireless Connection: Enjoy a more stable connection with our wireless sound adapter. Its external antenna design minimizes signal interference and can receive Bluetooth signals within a 15-meter range. The built-in 800mAh high-capacity battery charges in just about 2 hours and provides up to 5-6 hours of playback time, making it perfect for travel and on-the-go use. Enhance your audio setup with this versatile Bluetooth 5.1 digital sound transmitter. Whether at home or on the move, enjoy superior sound quality and seamless connectivity with this multifunctional device.