Mini Flexible USB Led USB Light Table Lamp Gadgets usb hand lamp For Power bank PC laptop notebook Android phone OTG cable Super Bright, Long Lasting LED. Adjustable flexible neck for easy positioning. Directly plug the USB LED LIGHT into the USB PORT on your NOTEBOOK or PC. Just easily turn on your NOTEBOOK or PC to power the USB LED LIGHT. SWITCHLESS USB LED LIGHT. Remains on until you unplug the USB LED LIGHT or turn off the NOTEBOOK or PC. Gently adjust the flexible neck of USB LED LIGHT to position the flylight anyway you wish. LED light is rated to average 8000 hours of use Package includes: 1 x USB LED Lamp Dear friend,if you want to use this usb led with cellphone,need to buy a OTG cable, as the picture show. NOTE:Dear friend,different batches of the product, the color may be different.