... Reader Product Description Multi in 1 Memory Card Reader Features: Fully support USB 1.1, 2.0 Support: SD, mini SD, ,micro SD, MMC ... -USB bus power Supply, No external power supply required -Plug and play, high speed data tranfer -Support high speed card, Slim ... , easy for carry -Transfer files between your computer and digital devices -CE and RoHS compliance, Ideal for gifts or as promotional items ...