Product parameters: Product name: Bluetooth audio receiver EB01 Output interface: 3.5mm Bluetooth version: 5.0 (Bluetooth) Bluetooth name: EB01 Transmission distance: 10 meters without obstacles Link length: no stretch 35 cm, after stretch 110 cm Features: 1. Using the Bluetooth 5.0 version, the compatibility, stability and responsiveness are better than in the previous version 2. The 3.5mm plug can be connected to audio equipment such as cars and sound effects without Bluetooth via AUX interface, so it has Bluetooth function 3. Compared with FM Bluetooth transmitter, the signal transmission by AUX port connection is more stable, the speed is faster, and Bluetooth connection is easier (because the Bluetooth FM transmitter is connected to the transmitter by mobile phone by Bluetooth, and then the transmitter is connected to the car by FM frequency modulation.There is an additional relay on the speaker, and the FM is easily disturbed by radio waves. connected to the audio device via cable, so the transmission signal will be better and the connection will be simpler) 4. The design of the anti-current interference circuit effectively isolates the "squeak" caused by current, making the sound quality cleaner 5. 0.35-1 m spring wire, the wire is made of TPE material with high rebound, which can be stretched at will without deformation, preventing winding and messy, easy to store and use 6. Support hands-free calls, release your hands and make driving safer. Built-in high-resolution noise reduction microphone, incoming calls are clear and echo-free 7. Transmission in a straight line without barriers of 10 meters 8. USB direct power supply, no need to worry about low power and battery life 9. Gold plated 3.5mm enameled copper wire core, not afraid of oxidation and improve the sound quality 10. Memory connection, after the first connection will be automatically paired and connected the next time you turn it on Package contains: 1 * Bluetooth Adapter