USAMS US-SJ464 Wireless Bluetooth Adapter Receiver Car Aux Audio Receiver with Gold-Plated 3.5mm Connector Bluetooth 5.0 transmission for improved compatibility, stability, and faster response speed Enables non-Bluetooth cars and audio devices to receive Bluetooth functionality via AUX input Provides more stable, faster, and simpler signal transmission compared to FM transmitters Equipped with a 1.5-meter spring cable for convenient storage and use (unstretched length: 38cm) Supports hands-free calling with built-in high-definition noise reduction microphone for clear, echo-free calls Offers linear transmission up to 5 meters without barriers Powered via USB for continuous operation without battery limitations Gold-plated 3.5mm plug resists oxidation and enhances audio quality Features auto-reconnection memory; pairs automatically upon power-on after initial setup Specifications: Brand: USAMS Model: US-SJ464 Material: Aluminum alloy + ABS Output Interface: 3.5mm Bluetooth Version: 5.0 Transmission Distance: Up to 5 meters (no barriers) Cable Length: 38cm unstretched, 150cm stretched Package Included: 1 x USAMS Wireless Bluetooth Adapter Receiver 1 x User Manual (English)