Transform your traditional audio systems with the EARLDOM ET-BR04 Bluetooth Adapter, designed for uninterrupted wireless music and hands-free calling. With advanced Bluetooth 5.3 technology, multipoint pairing, and a built-in microphone, it offers a premium listening experience across cars, headphones, and home stereo systems. Its durable build and long battery life ensure reliable performance wherever you go. Specifications Brand: Earldom Model: ET-BR04 Material: ABS + PC Bluetooth Solution: Jerry AC7006 Bluetooth Version: 5.3 Battery Capacity: 250mAh Lithium Battery Charging Port: Type-C Connector Type: 3.5mm AUX Battery Life: Up to 14 hours Compatible Devices: Laptop, MP3 Player, Car Stereo System, Headphone, Home Stereo Wireless Standard: Bluetooth Interface Input: Buttons Key Features Enables wireless music playback and hands-free calling on AUX-only audio systems Supports DSP, auto-connect, and multipoint pairing for enhanced functionality Built-in microphone ensures clear, hands-free communication during driving Powerful 250mAh battery delivers up to 14 hours of continuous use Bluetooth 5.3 provides fast, stable connections with minimal latency Perfect for use in cars, with headphones, or at home on stereo setups