The product is made of high quality plastic + silica gel material with reliable quality and long service life. Fast charge is not hot, support while playing mobile phone charging, do not hurt the phone battery, safe and fast charge. Dual Lighting interface, audio jack and charging socket can be used interchangeably, the effect is the same, support blind insertion, convenient for your use. Built-in decoder chip for high-quality audio transmission, high-fidelity sound quality, and enjoy the original sound. Built-in high-power cyclone cooling fan, 4000 r/pm , excellent heat dissipation performance, do not worry about playing the phone for a long time, the phone will be hot. The four suction cups absorb the back of the phone and are securely placed without damaging the phone case. Flexible TPE material line, not easy to break, expose the core.