Portable SD Card Reader Multi-functional Dual Card SD/TF OTG USB 2.0 Adapter Transfer tools for Smartphone ComputerProduct Highlights: Computer and mobile phone are universal, easy to read data. Dual card slots, support dual card reading at the same time, high-speed transmission, convenient and fast. Can expand the mobile phone memory, mobile phone external card reader, can be used to browse files, data, etc. The interface has no positive and negative, plug and play, and durable. Reverse current protection, current impact protection, voltage overload protection.Friendly Tips: 1. Please kindly allow 2-3% difference according to manual measurement. 2. Please check the measurement chart before you buy the item. (1inch=2.54cm) 3. Please note that slight difference should be acceptable due to the light and screen.Thanks.Specifications: Material: ABS Pattern Type: Patchwork Style: Card Reader Size: 7.52.60.9 cm/310.4 inches Electric Power: 2W Power Output: 500MA Connector: TYPE-C/USB/MICRO USB Support System: Windows 10.8.7, Vista, XP, Mac 10.4.6Package Contents: 1 x Card ReaderPromise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.