QuantumZERO QZ-CR01 USB 3.0 Card Reader for SD-XC (up to 2TB), SD, MMC, RS-MMC, SD-HC, Micro SDHC, Micro SDXC, Micro SD, Mini SD, supports UHS-I [Genesys GL3233 controller] QuantumZERO - The Indian leading mobile and computer accessory brand - great products, affordable price, 1.5 years warranty with lifetime friendly customer support. Equipped with Genesys GL3233 controller for best performance and wider compatibility. SuperSpeed data transfer rates up to 5 Gbps (actual rates depend on speed of memory card itself and computer USB host controller). Backward compatible with USB 2.0, USB 1.1 at their native speed - USB 2.0 Hi-Speed devices (rates up to 480Mbps), and USB 1.1 Full/Low Speed devices (rates 12/1.5 Mbps). You get: QuantumZERO USB 3.0 Card Reader Welcome Guide, 1.5 years QuantumZERO warranty and lifetime customer support.