Introducing Wireless Bluetooth Audio Receiver: Turns home speakers and car radios into Bluetooth-enabled speakers, allowing you to stream music wirelessly from your smartphone. Equipped with Bluetooth 5.1 technology: Ensures stable connection and high-fidelity audio transmission for superior music streaming to your speakers or home stereo system. Supports audio decoding formats including SBC, AAC: Delivers HiFi sound quality designed for audio enthusiasts. Easy pairing: Switch directly to pairing mode, turn on Bluetooth on your smartphone, and select the device to connect. Supports dual-device pairing—connect two devices simultaneously. Seamlessly switch between devices without disconnecting (pause playback on the first device and start playing from the second). Product Specifications: Audio connector: 3.5mm AUX Input voltage: 4.8V – 5.25V Continuous playback time: Up to 11 hours Receiving distance: Up to 10 meters indoors Material: ABS Color: Black Package Contents: 1 x Audio adapter Note: Other items not included. Due to lighting and display differences, actual product color may vary slightly from images. Measurement error allowance: +/- 1-3 cm.