ZS-S1852 6 in 1 3 USB Female to 8 Pin Male OTG Camera Card Reader Adapter with SD & TF Card & 8 Pin Charging Interface, Support All iOS System 1. Can be used with mouse, keyboard, hub, U disk, etc. 2. Through 3 USB OTG ports, you can connect the mouse and keyboard to mobile phones and tablets with 8 Pin interface at the same time 3. Mouse+keyboard+U disk+SDTF card mode makes your work more efficient. 4. In iOS 13 system devices, through the file application, we can browse and transfer data in both directions. IOS 13 system devices will support more file formats, such as Excel, Word, Txt, PDF, MP3, MP4, JPEG, RAW, HEIF, and HEVC. Some files in special formats require downloading the corresponding application. 5. Transfer photos or videos from the camera or memory card to the mobile phone at a speed of 12MB~16MBS, making it easier to share photos and videos with family or friends anytime, anywhere. 6. Plug and play, no application required, supports all iOS systems. Notice: 1. The SD cardTF card port and USB interface cannot be used at the same time. 2. The card reader will become a little hot when used normally and safely. Basic parameters: 1. Operating voltage: 3.3-4.0V 2. Operating current (USB peripheral): less than 500mA 3. Input current: 500mA-2100mA 4. Interface: 8 PinSD cardTF cardUSB socket 5. Transmission resource speed: 12MBS-16MBS