USB Bluetooth 5.0 NFC to 2RCA Stereo Audio Adapter Transmitter Receiver Wireless Product Features: 2-IN-1 Design:Support bluetooth receiving (RX), bluetooth transmitter (TX) mode. Equipped with HD LED display, working status and Bluetooth mode are clearly visible. With multi-function buttons, one-key switch mode, or play/pause music, simple operation Support NFC:Support NFC function, connect Bluetooth when the mobile phone is close to it (mobile phone needs to have this function). As a bluetooth audio transmitter, it turns non-Bluetooth TV, PC, laptop, tablet, etc into bluetooth functions. Enjoy the wireless tech life. Support 5-8m infrared remote control, easily control multiple functions Bluetooth 5.0 Hi-Fi Sound:It features advanced Bluetooth V5.0 chip to ensure Hi-Fi stereo lossless Bluetooth audio signal for music streaming to AUX or RCA input speaker, car or home stereo system. Low Latency, And Stronger compatibility and stability, wireless range is more than 10m Multiple Interface Options:Built-in digital to analog chip, support 3.5mm AUX, RCA, digital optical, coaxial, USB (memory card), TF interface. Comes with AUX cable, RCA cable, USB charging cable, it can satisfy all of your connection needs and match with various audio devices with both Bluetooth and non-Bluetooth function Rechargeable & Excellent Battery Life:Built-in with 500mAh battery that supports the receiver for non-stop streaming up to 8-10 hours, long standby time of 30 days. Can be used while charging. Enough for music and hands-free call in a long road journey. Comply with safety certification, longer service life. Product Specification: Bluetooth version: V5.0+EDR Frequency range: 2400-2483.5MHz Transmission distance: barrier-free about 10m Power supply mode: Type-C interface Battery capacity: 3.7V/500mAh 1.85Wh Use time: about 8~10 hours, about 1.5 hours when fully charged Dimensions and weight: about 92*65*20mm Red and white lotus line: 1M 3.5mm audio cable:1M Frequency Response: 10Hz-20KHz Input parameters: DC 5V-500mA (2.1A max) Interface Type: AUX/RCA/Digital Optical/Coaxial/U Disk/TF Card TF card: maximum support 64G Basic functions: Bluetooth receiving / Bluetooth transmitting / U disk / TF card playback / infrared remote control Usage: plug and play + infrared remote control (only remote control board) Supported equipment: mobile phone/tablet/computer/TV/speaker/amplifier/headphone/projector Mixers and other equipment with audio input and output interfaces Package included: 1x NFC Bluetooth Receiver 1x 3.5MM AUX Audio Cable 1x RCA Audio Cable 1x Type-C Charging Cable 1x User Manual