Feature: 1. 1. Touch screen: NFC Bluetooth receiver and transmitter with touch screen. You can perform the required operations with just a touch, instead of pressing the buttons of the original version, which effectively extends the service life of the machine. 2. 2. Bluetooth 5.0 version: conforms to version 5.0 specifications, backward compatible for Bluetooth 4.2 / 4.1 / 4.0 / 3.0 / 2.0 / 1.0. 3. 3. 2 in 1 transmitter receiver: Universal Bluetooth audio adapter can make your TV and other devices have Bluetooth function to stream audio to Bluetooth headset, or make your home stereo Bluetooth function can receive from mobile phones and tablets Wireless music streaming. Use with devices with USB ports and 3.5mm ports. 4. 4. Support Bluetooth hands-free call: when in Bluetooth receiving mode, support incoming call answering/hanging up, etc. 5. 5. Support NFC: Built-in chip, you can directly connecting with NFC mobile phone or other Bluetooth devices that support NFC by touching this receiver. 6. 6. Support dual audio ports for connection: including 3.5mm and 2RCA audio ports, suitable for more devices (including 3.5mm cables and 2RCA cables). 7. 7. Long-distance wireless connection: The wireless Bluetooth adapter supports a connection of up to 15 meters/49 feet, and can control long-distance music playback. 8. 8. Support USB playback: plug and play, you can play music without connecting to Bluetooth, and you can play music by plugging in USB. 9. 9. Support automatic turn on/off: use the charger cable to connect the car/other power supply, start the car or turn on the 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. Specification: Name: NFC type Bluetooth receiver transmitterBluetooth version: V5.0 + EDRInterface: Atreo analog/AUX3.5mmtFrequency response range: 10Hz-20KHzOutput impedance: 75ΩEffective distance: 15 metersSignal to noise ratio:> 90dBPerformance: High fidelity levelDistortion + noise: <0.02%Support: A2dp \ avctp \ avdtp \ avrcp \ hfp \ spp \ smp ​​\ att \ gag \ gatt \ rfcomm \ sdp Package List: 1*Host1*3.5mm auxiliary cable1*User Manual1*AV audio cable1*Type-c rechargeable power cord