USB Card Reader, GOOQ Dual 2 In 1 USB 3.0 and Micro-USB 2.0 OTG Supported include SD and Micro SD Card Slot for Android USB OTG enabled smartphone Tablet, laptop, computer, chromebook and more Extremely slim and lightweight design for supreme portability. Feature:1: two card slots( 1 slots SD/MMC and 1 slots Micro SD/T-flash); 2: LED status indicator; 3: USB 3.0 Interface. Supports: On-The-Go (OTG) Technology Host . Multifunctional 2in1 USB 3.0 + Micro-USB OTG Card Reader with SD Card and Micro-SD Card slot. Connects to your mobile devices that support USB On-The-GO (USB OTG) ;SuperSpeed USB 3.0 interface; backwards compatible with USB 2.0