Features: Strong compatibility, three USB charging ports: USB-C PD, QC3.0, Auto-id, suitable for the full range of fast charging of most smartphones and devices. BT5.0 version, 4 times the listening distance, 8 times the data transmission speed, FM FM transmitter, playing high-definition sound quality through FM frequency. Gooseneck stretching charger, can rotate 360 degrees, snap design, anti-skid firm, suitable for use in the car, charging stable and safer. Multiple protection: overload current / overload power / overload voltage / overdischarge / high temperature / short circuit protection. Compatible with most of the mainstream cars, SUVs, trucks, and other mainstream models on the market, 12V 24V can be used.