Features: Multifunctional high quality 2 in 1 USB OTG card reader. Mini size, easy to carry. Designed with double male interfaces, USB A and micro USB, supporting ports on smart phone or PC. Type: USB OTG Card Reader Chipset: ITE1327 Size: 5.15cm x 1.9cm x 1.1cm/2.03" x 0.75" x 0.43" (Approx.) Material: ABS USB Port: USB, Micro USB Transmission Interface: USB 2.0 (Micro USB 5pin) + USB A Male Transmission Speed: 480Mb/s (USB 2.0, Approx.) Support Card: SD, Micro SD Card Slot: 2 Slots (SD, Micro SD) Support Phone System: Android 2.3+, Smart Phone and Tablet Supporting OTG Support PC System: Windows 20002003XPVista7 Mac 10.45+, Linux 2.4+ Notes: 1. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB OTG Card Reader (Card is not included) If you have any questions,please feel free to let me know.