Description: Product advantages: 1. Type-c / usb / micro usb / Lightning four-in-one interface. 2. Support OTG function. 3. SD card reader port + microSD card reader port 4. USB2.0 is highly efficient at 480mbps, backward compatible with USB1.1. 5. Manage all files directly on mobile phones and computers, quickly browse and edit data, easy to carry, download and upload, and data transmission. 6. Read audio and video files directly from the external memory card and play them. 7. You can view most mainstream file formats. Product name: Apple card reader Product weight: 26g Support system: Windows / iOS 13 or above Specifications: 1. Regarding the limitation of card reading capacity. Answer: There is no capacity limit for USB standards, and 64G/128G/256/512G memory cards can be read. The OTG function can also be used with 5% mobile phone battery. 2. About OTG function. Answer: Query through mobile phone parameters, online query, and after-sales customer service query. 3. Compatible models/software systems. Answer: Compatible with iPheo 6-12. Compatible with ISO 13 and above software systems. No APP plug and play 4. Regarding certification. Answer: Pass FCC certification and CE standard. Package Included: 1*card reader