Experience seamless wireless audio streaming with our Bluetooth Receiver Transmitter, featuring the advanced CSR 5.0 chipset combined with A2DP technology for stable connectivity and superior signal stability. This versatile adapter delivers uninterrupted, clear HiFi music streaming, perfect for enhancing your listening experience with a wide range of devices. Key Features: · **Dual Functionality – Transmitter & Receiver Modes:** Effortlessly switch between transmitter mode, converting 3.5mm audio output devices into Bluetooth-enabled sources, and receiver mode, allowing non-Bluetooth devices like car stereos and home sound systems to receive high-quality Bluetooth audio. · **Wide Compatibility:** Equipped with 3.5mm AUX and RCA audio connectors, ideal for wired headphones, speakers, home audio systems, car stereos, and portable non-Bluetooth devices. Includes 3.5mm cable and 3.5mm to 2RCA cable for versatile connectivity options. · **Easy Control & Operation:** In receiver mode, manage playback seamlessly with integrated buttons for play/pause, track selection, and volume control directly on the adapter. · **Advanced Bluetooth 5.0 Technology:** Ensures stable wireless connection within a maximum range of 10 meters (32.8 feet) without obstacles, providing reliable and interference-free audio transmission. · **Compact & Lightweight Design:** Crafted from durable ABS material, weighing approximately 76g (2.7oz), this adapter is portable and easy to incorporate into any audio setup. · **Long-Lasting Battery:** Powered by a 200mAh polymer lithium battery with a quick 2-hour charging time, enabling extended use for uninterrupted music enjoyment. · **Simple Setup:** Slide the switch to ON/OFF, connect via 3.5mm or 2.5mm RCA audio ports, and pair with Bluetooth-enabled devices for instant wireless audio streaming. Auto-repair feature simplifies reconnection for added convenience. Specifications: · Item Type: Bluetooth Receiver Transmitter · Model: KN321 · Material: ABS · Color: As Pictures Shown · Weight: Approx. 76g / 2.7oz · Bluetooth Version: BT5.0 · Supported Profiles: A2DP, AVRCP (receiver mode only) · Operating Range: Up to 10m / 32.8ft (without obstacles) · Pairing Name: KN321 · Charging Time: 2 hours · Battery Type: Polymer Lithium Battery · Battery Capacity: 200mAh Package Includes: · 1 x Bluetooth Receiver Transmitter (Model KN321) · 1 x 3.5mm Audio Cable · 1 x 3.5mm to 2RCA Cable Upgrade your audio experience with this all-in-one Bluetooth Receiver Transmitter, designed to bring modern wireless convenience to your traditional audio devices. Whether streaming music in your car, home stereo, or connecting wired headphones to Bluetooth sources, this adapter ensures high-quality sound with effortless control and reliable performance.