This is a portable mini USB night light, which looks like an U disk, but have no storage function. With an extension cord in 30cm length, the led light can used as keyboard light, night light and so on. There is a hole designed at the bottom for easy to carry. You can attach it with your keys, or take it as a necklace. The USB night light is eco-friendly and practical for daily use. Features - - Material: Plastic. - Size: Approx. 5.9 x 1.8 x 0.8 cm / 2.3 x 0.7 x 0.3 inch. - Power: 1.5W. - Voltage: DC 5V. - : USB. - LED beads: 3 pcs. - Extension cord length: 30cm. - 3pcs led beads in parallel, one does not affect the others. - Suitable for any standard USB port, such as portable charger, phone charger, laptop usb port and so on. - An extension cord in 30cm length that can randomly bending in any directions. - A hole designed at the bottom for convinient carry. You can take it along at any time if you want. - Fashion U disk design, small in size, saving and eco-friendly. Package list: 1 x usb led night light