Using Bluetooth 5.4+DSP dual-chip decoding, it has stronger compatibility and stability. Bluetooth receiving (RX), Bluetooth transmitting (TX), and FM transmitting are universal and 3-in-1 design. The reception mode has been upgraded to 1-to-2, allowing you to connect two mobile phones to listen to music at the same time. LED digital large-screen display, the usage status is clear and clearly visible Equipped with RGB cool breathing light, multi-color flashing breathing gradient, upgraded again. Supports multiple lossless decoding formats , making the sound quality more beautiful. Built-in 400mAh rechargeable lithium battery, 6 hours of listening time, 1 hour of full charge, and up to 30 days of standby life Support USB (U disk) playback and transmission. The product connection is simple, without any tedious driver or APP download; FM transmitter 76-108MHz is universally applicable, with built-in FM enhanced antenna, the signal is stable and anti-interference is strong. Colour:Black Material:abs Package Contents: 1 * Bluetooth adapter 1 * Type-C charging cable 1 * 3.5mm audio cable 1 * Red and white RCA lotus cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.