Product size: 92*65*20mm (length*width*height)Product weight: 75gFeatures:1. Using Bluetooth 5.0 chip design, the compatibility and stability are stronger.2. Three-in-one design of Bluetooth receiving (RX), Bluetooth transmitting (TX) and FM transmitting.3. Equipped with high-definition LED digital display screen, the working status and Bluetooth mode are clearly visible.4. Built-in digital to analog chip, support digital optical fiber, coaxial, AUX, RCA interface.5. Upgrade the NFC function, the mobile phone is connected with one touch.6. Cool breathing light, red\/blue two-color, soft and not dazzling.7. Built-in 500mAh rechargeable lithium battery, long battery life8. Support USB (U disk), TF card playback and launch.9. Support FM transmission, and the frequency can be adjusted from 87.5~108.10. Support 5~8 meters infrared remote control, all kinds of functions are readily available.11. Built-in high-definition microphone, support wireless listening to songs, hands-free calling, and navigation.12. The product connection is simple, without any cumbersome driving and downloading APP;Product list: Bluetooth adapter host x1, Micro USB charging cable x1, 3.5mm audio cable x1, red and white RCA lotus cable x1