M2/ TF card reader Super mini design with lanyard, easy to carry Plug and play, no driver or external power needed. Just insert your M2 or TF (Micro SD) card into the card reader High speed USB 2.0 interface supports up to 480Mbps. Backward compatible with USB 1.1 Low power consumption, max 5V Type: Card Reader Interface: USB 2.0 Feature: Plug & Play Transmission Rate: 480Mbps Support MAX Capacity: 32GB Support System: Windows 2000, Windows 98, Windows 98SE, Windows Vista, Windows XP, Linux, Mac OS Application: PC Card Slot: TF / Micro SD, M2 Material: Plastic + Metal Main Color: As shown in the picture Size: 32 x 16 x 5mm/ 1.26 x 0.63 x 0.20in Net Weight: 1g/ 0.04oz