4 in 1 card reader This 4 in 1 card reader is equipped with an SD / TF card reader, a power supply connection and a USB 2.0 socket. It can also be charged with a PD port while a camera, hub, keyboard or card reader is connected with a USB 2.0 port. A charging port has been added. So don't worry about your phone running out of power while transferring photos.Connecting USB peripheral devices With the USB 2.0 OTG interface, your phone or pad can connect USB peripheral devices such as USB flash memory, hubs, keyboards, audio / MIDI interfaces, card readers for SD and micro SD cards connect and power your device.Fast data transfer speed 14MB / S ~ 16MB / S, USB 2.0 speed to transfer photos or videos from camera or memory card to your phone. Supports SD / TF card with a maximum of 64GB. You can easily transfer pictures and videos to your phone or pad and share your happiness with your families and friends anytime anywhere.Plug and play, no app required No app required, plug and play. Your pad or phone will automatically open the Photos app when connected to a camera or memory card, supports JPEG / RAW image format and H.264 / MPEG-4 video format. It is much easier to transfer photos or videos from your camera to your phone or pad, share videos or pictures with your family or friends anytime.Compatible with multi systems Compatible with I-O-S 9.1 or the latest i-O-S 11.0. Compatible with phone 5 / 5c / 5s / 6/6 Plus / 6s / 6s Plus / SE / 7/7 Plus / 8/8 Plus / X, Pad Mini 1/2/3/4, Pad Air / Air2, Pad Pro etc.