1. Charge & Music same time: Designed for iPhone, 8 pin and 3.5mm splitter allows to use 8 pin headphone and charge at the same time. 2. Impressive sound quality: Up to 48 KHz and 24-bit audio output, keep your original headphone sound quality. Also supports 3.5mm AUX in the car. 3. Advantage - 8 pin Audio camera connection kit 5 in 1, compatible with iOS 9.1 to iOS 11, connect to iPhone and iPad data port directly. Not need App support. Camera can connect to your phone directly via USB port. 4. Important note: The 5 in 1 audio camera connection Kit has 5 ports. Except USB port. SD port, micro SD port can not use at the same time. The other port can use at the same time, you can listen the music and put keyboard type at the same time. If USB flash Disk/Micro SD card/SD card directly use with this kit. You must create "DCIM" folder.