Chip-on-board technology allows this USB storage drive to be ultra compact for maximum portability. Slider case retracts the chip when not in use, protecting the contacts. Lanyard and carabiner-style clip offer flexible portability options and prevent loss. Drive retains data for up to five years. USB plug and play requires no drivers. Connector/Port/Interface: USB 2.0; Storage Capacity: 4 GB; Writing Speed: 5 Mbps; Reading Speed: 12 Mbps.