mbeat® Ultra Dual USB Reader - USB 3.0 Card Reader plus Micro USB 2.0 OTG Reader - USB 3.0 SD/Micro SD card reader for PC/MAC. Features: - Ultra dual USB 3.0 reader for PCs, Smartphones & Tablets - 2-in-1 USB 3.0 and Micro USB 2.0 OTG function - USB 3.0 SD/MicroSD card reader for PC/MAC - Micro USB OTG reader for Android smartphone and tablet - Make data transfer between PC and smartphone or tablet Specifications: Connect Type: USB 3.0 and Micro USB 2.0. Support Card Type: SD / SDHC / SDXC up to 128GB, microSD / microSDHC / microSDXC up to 64GB. Support Android OS: Android 4.1 above. Support OS: Windows XP / Vista / Win7 / Win8 /Win 8.1 or Mac OS 10.X and above. Product dimension: 4.7 × 2.1 × 1.37cm Product weight: 10g Package Size: 16 × 10 × 1.5 cm Package Weight: 50g Package Contents: Ultra Dual USB Reader × 1