General description This Bluetooth 5.3 Car AUX Audio Adapter Receiver allows you to enjoy wireless music streaming and hands-free calling. It connects easily to any stereo system that supports a standard 3.5mm audio jack, making it compatible with a wide range of devices. Technical specifications Bluetooth version: 5.3 Connection range: Up to 33 feet Power source: USB charging (no built-in battery) Color: Black Material: Plastic and metal Package contents: 1 x Bluetooth adapter, 1 x 3.5mm audio cable Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with devices that have a 3.5mm audio port Can connect to non-Bluetooth car audio systems, home stereo, wired headphones/speakers, and amplifiers/home theaters Installation Simply plug the adapter into the 3.5mm audio port of your device Connect to your smartphone or tablet via Bluetooth Usage Simultaneously pair with two devices for music streaming and phone calls Use the built-in microphone for hands-free calls