The UGREEN BT521 Bluetooth Audio Receiver enables wireless connection of a smartphone or tablet to a car audio system or any speaker with a 3.5mm AUX port. Here are its main features:

• Bluetooth 6.0 for a stable connection with fast pairing, reliable signal transmission, and low latency, with a range of up to 10 meters without obstacles.
• LDAC support for high-quality audio, supporting SBC, AAC, and LDAC codecs for high-resolution audio playback.
• Clear high-fidelity sound with a frequency response of 20Hz-40kHz, delivering dynamic and balanced audio.
• Easy connection and charging via USB-C, featuring a 3.5mm AUX audio output for broad compatibility.