<ul> <li>Add Bluetooth to Your Car: Instantly upgrade your traditional car or old-fashioned speakers by connecting to the AUX input, giving them Bluetooth capability</li> <li>Support Hands-free Calling: With advanced noise-canceling technology, enjoy clear echo-free hands-free calls while keeping both hands on the wheel for safer driving</li> <li>Bluetooth 5.0 Chip: Equipped with a high-performance Bluetooth 5.0 chip. Providing stable and smooth signal transmission for uninterrupted music, calls, and navigation</li> <li>High-Fidelity Transmission: Designed with anti-interference circuitry and enameled copper wire core, effectively isolating noise and electrical "squeaking" sounds</li> <li>Secure Connection: High-quality 3.5mm plug, snugly fits the interface, resilient to frequent plugging and securely fastened</li> <li>TPE Spring Wire: Expands freely from 0.35 to 1.1 meters, tangle-free and easy to store, making it more convenient to use</li> <li>Plug and Play: Simply plug it into the 3.5mm Aux jack and power it directly via USB port, eliminating concerns about low battery and battery lifespan</li> <li>Music Freedom: Effortlessly turn your traditional wired speakers into wireless ones with Bluetooth adaptation, allowing you to enjoy music anytime, anywhere</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Material: Aluminum alloy + ABS</li> <li>Length: 35cm unstretched, 110cm stretched</li> <li>Product chip: AB5335B</li> <li>Bluetooth version: 5.0</li> <li>Bluetooth device name: EB01</li> <li>Transmission distance: 10 meters</li> <li>Signal-to-noise ratio: &ge;90dB</li> <li>TDH+N: -75dB</li> <li>Channel separation: -80dB</li> <li>Frequency response: 20Hz-20KHz</li> <li>Operating voltage: 3.6-5.5V</li> <li>Operating current: 20mA Max</li> <li>Product net weight: 20g</li> </ul>