Features 1、Dual Mode: Supports Bluetooth sound receive and transmit modes, and upgrade your old wired devices to smart Bluetooth devices effortlessly, greatly enhancing compatibility and flexibility. 2、Convenient NFC Connection: Built in NFC feature allows instant connection with NFC supported phone devices through a simple touch, eliminating the hassle of traditional Bluetooth pairing for a quick experience. 3、Long Range Wireless Transfer: Enjoy stable sound transmission up to 15 meters in large spaces with advanced Bluetooth 5.0 and EDR technology, allow users to enjoy music flexibly in a wider range without constrains. 4、Multiple Interface Options: Equipped with standard 3.5mm AUX interface and stereo analog output, suitable for various sound devices such as home theater systems and portable speakers for easy connectivity. 5、Offline Music Playback: Support for USB disk, allowing for direct music playback by inserting the storage device. Enjoy your collected music without Internet access. Specification Item Type: NFC Bluetooth Receiver Material: ABS Bluetooth Version: V5.0+EDR Transmission Distance: Approx. 15m / 49.2ft Interface: Stereo Analog / AUX 3.5mm Performance: HiFi level Application: for Various brands of mobile phones, speakers, and computer devices Package List 1 x Adapter 2 x Adapter Cable 1 x Cord 1 x Instruction Manual