We are offering card reader. usb micro sd/micro sdhc reader for all capacity (1gb,2gb,4gb,8gb,16gb,32gb) the reader is designed with a usb connector and a memory expansion slot that accepts a microsd/microsdhc card. Combine it with a microsd/microsdhc card and you've got the best mobile gear for your phone. Reader specifications: dimensions - 1. 29" x 0. 60" x 0. 30" (32. 89mm x 15. 3mm x 7. 66mm) weight - 0. 137 oz (3. 8g).