Bluetooth compatible audio receiver RCA APTX LL 3.5mm AUX Jack music adapter wireless with NFC microphone for car speakers Auto ON/OFF Using Bluetooth 5.0 chip, stronger compatibility and stability. li> Bluetooth reception (RX), Bluetooth transmission (TX), FM three-in-one transmission. li> Equipped with a high-resolution digital LED display, the operating status and Bluetooth mode are clearly visible. li> Built-in digital-to-analog chip, supports digital fiber, coaxial interface, AUX, RCA. li> Cool, light breathing, kolor red/blue, soft and non-glare. li> Built-in rechargeable lithium battery 500 mAh, long battery life. li> Supports USB (U drive), playback and transmission of TF cards. li> Support FM transmission, and the frequency can be adjusted from 87,5 to 108. li> Infrared remote control support 58 meters, all kinds of functions are easily accessible. li> Connecting the product is simple, without the hassle of driving and downloading the app. li> BLUE SOUND HI-FI 5.0: Has an advanced Bluetooth V5.0 chip to provide lossless Bluetooth Hi-Fi stereo audio signal for streaming music to the AUX or RCA input speaker, car or home stereo system. Support aptx short waiting time. Greater compatibility and stability, wireless range is more than 10m / 33ftli> WIDE COMPATIBILITY: in other functions than Bluetooth. Enjoy wireless technology. 5-8m infrared remote control operation, easy control of many functionsli> RECHARGEABLE AND EXCELLENT BATTERY LIFE: Built-in 500mAh battery, which supports receiver for uninterrupted streaming up to 8-10 hours, long standby time 30 days. Can be used while charging. Enough to listen to music and make hands-free calls on a long journey. Safety certificate compliance, longer service lifeli> BLUE SOUND HI-FI 5.0: Has an advanced Bluetooth V5.0 chip to provide lossless Bluetooth Hi-Fi stereo audio signal for streaming music to the AUX or RCA input speaker, car or home stereo system. Support aptx short waiting time. Greater compatibility and stability, wireless range is more than 10m / 33ftli> WIDE COMPATIBILITY: in other functions than Bluetooth. Enjoy wireless technology. 5-8m infrared remote control operation, easy control of many functionsli> RECHARGEABLE AND EXCELLENT BATTERY LIFE: Built-in 500mAh battery, which supports receiver for uninterrupted streaming up to 8-10 hours, long standby time 30 days. Can be used while charging. Enough to listen to music and make hands-free calls on a long journey. Safety certificate compliance, longer service lifeli>