1.USB C 3.5mm Headphone Jack Adapter; Get rid of the trouble of being unable to use 3.5mm headphones. Support listening music and charging at the same time,and card reading can be operated at the same time. 2.25MB/S~35MB/S Fast Transfer Speed; Faster transfer of photos and videos between two iOS devices at USB 2.0 speed.Quickly copy the desired photos or videos from the camera. Best wireless connections connect your keyboard/mouse/usb perphernce to your iPad Pro without any wifi perphernce. 3.Compatibility; Compate with most type c Jack phones, pads, notebook player with USB-C ports, such as iPad pro,but not include other iPad/iPod. 4.Fast Charging & lightweight; Support Hi-Res(up to 24bit/96khz audio),bring you a wonderful auditory feast.Due to its small size, it can be placed in a wallet, pocket, small bag, and can be used at any time. 3 in 1 USB Female