The iworld Bluetooth Audio Car Adapter allows for hands-free calls and connection to a home stereo system via a 3.5mm jack. With integrated mic and rechargeable battery, this sleek black adapter provides wireless connectivity to audio receivers and car auxiliary ports. The Bluetooth v4.1 standard ensures reliable connection, making it a convenient and versatile option for enhancing your multimedia experience on-the-go or at home. Made in China, this adapter comes with a 1-year manufacturer warranty and measures 3 inches in height.