Brand Name: TRANSCEND Model No: JF340 Great compatibility. Great entertainment. Streamlined. Easy-to-grip. Dual access. Double the convenience. SPECIFICATION Size: 51.6 x 17.4 x 8.2 mm (2.03" x 0.69" x 0.32") Weight: 5g (0.18 oz) Interface: USB 2.0 (Standard A / Micro B) Certificates: CE, FCC, BSMI Note: Both USB connectors cannot be used at the same time. Speed may vary due to host hardware, software, usage, and storage capacity. System Requirements: Desktop or notebook computer with a USB port and one of the following operating systems: Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows 8.1 Microsoft Windows 10 MAC OS X 9.0 or later Linux Kernel 2.4.2 or later Tablet or mobile phone with micro-B connector (Host must support OTG function) Device requirements for running the Transcend Elite App: Android device with Android 4.0+ ADDITIONAL FEATURES Great compatibility. Great entertainment. Streamlined. Easy-to-grip. Dual access. Double the convenience. Exclusive Transcend Elite App Brand Transcend SKU TR016EL0G85BKNAFAMZ-65966 Model JF340