EasiLife USB LED Light USB LED Sticker LED Light Bar, Emergency Light, Outdoor Light, Cord Comes with On/off Switch, Attach Anywhere You Like with Magnet, 13inch 30 LED 5W LED Strip Light - [USB POWERED] USB LED Bar Light could be powered by any USB 5V sources, like power bank, iPhone charger adapter, car charger, Laptop and computer; - [EYE-FRIENDLY] Non-Flicking, No dark area and Long service life, this USB lamp is very comfortable for your eyes; - [EASY TO USE] Simply stick to magnet-applicable place or attach this LED bar with 3M adhesive plates (included); you can install anywhere you like with magnet and 3M adhesive paper; - [MULTI-USE] Great LED light for desk lamp, bedside lamp, reading lamp, music stands light, work table lamp and fish tank lights; - [ON/OFF SWITCH] This USB light comes with a convenient on/off switch on the USB cable,you do not need plug/unplug the USB port to switch.