Features 1. Plug and play is suitable for Apples and Android phones, with a four in one multifunctional TF card and SD card. 2. The four in one card reader supports multiple interfaces such as USB, Android, and typc-c, making it easy for multiple devices to read data. 3. Supports TF card readers and automatic upgrades. 4. Supports iPhone 7/7plus/8/8plus OTG phone expansion card reader. 5. Compact and Portable: The slim and stylish design combined with the keychain design allows the SD card reader to fit into your pocket, preventing loss and carrying it with you. Specification Interface: USB2.0/8pin/Micri USB/Type-C Compatible systems: IOS8 and above/OSX/Windows/Linux/Android Read and write speed: USB 2.0 read 15MB/s write 8MB/s, 8pin read 15MB/s write 8MB/s Material: Zinc alloy Style: APP, NO APP Color: Rose Gold, Black Size: 5.96 x 0.88 x 4.78 cm Net weight of product: 20g Packaging size: 15 x 10 x 5cm Product gross weight: 30g Package Include: 1x Function Card Reader