Product size: 92*65*20mm (length*width*height)Product weight: 75gAdvantages: 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 life 8.Support USB (U disk), TF card playback and launch. 9.Support FM transmission, and the frequency can be adjusted from 8 7.5~10 8.10. Support 5~8 meters infrared remote control, all kinds of functions are readily available.1 1.Built-in high-definition microphone, support wireless listening to songs, hands-free calling, and navigation.1 2.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