NFC Receiver Bluetooth 5.0 Receiver Stereo Audio Adapter Stereo System AUX 3.5mm Feature: Support NFC: Built-in chip, you can directly connect to NFC mobile phones or other Bluetooth devices that support NFC by touching this receiver. The first receiver with ambient light: When you turn on the device, our NFC Bluetooth receiver will light up with colorful ambient light, below you will get a sense of rendering the atmosphere and can operate the secondary device in the dark. Support three audio ports: 3.5mm and 2RCA audio ports are included, suitable for more devices (including 3.5mm cable and 2RCA cable). It can also support U disk playback. Wireless long-distance connection: Effective distance up to 15 meters, long-distance music playback control. Support automatic power on and off: Use the charging cable to connect to the car or other power sources, when the car starts or has power, it will automatically turn on and automatically connect to the last connected device. When the car is turned off, it will automatically turn off. The latest Bluetooth 5.0 version: Compatible with Bluetooth 5.0, backward compatible with Bluetooth 4.2 / 4.1 / 4.0 / 3.0 / 2.0 / 1.0. Specification: Type: NFC Bluetooth Receiver Material: ABS+PC Frequency Range: 10Hz-20kHz Signal to Noise Ratio:>110dB Distortion Noise: <0.02% Bluetooth Version: 5.0 Power Supply: 5V Transmission Rate: 100Mbps Interface: Stereo Analog/AUX 3. 5MM Output Impedance: 75Ω Decoding Chip: Bluetooth 5.0 Effective Distance: 15M Performance: HiFi Level Support: A2DP/AVRCP Package Included: 1* NFC Bluetooth Receiver 1* 3.5mm Audio Cable 1* 2RCA Audio Cable 1* Charging Cable 1* User Manual