Kingston DataTraveler 4 GB USB 2.0 Flash Drive DT100/4GB 4 GB flash drive designed to high-speed USB 2.0 specifications The USB connector is safely housed inside the case and easily retracted with the thumb-action slider. Holds important documents in sleek, capless device USB connector is safely housed within case; retracts easily with thumb slider Measures 59.7 x 22.3 x 9.5 millimeters (LxWxH); backed by 5-year warranty