mandyyan light114 SinLoon Aluminum Alloy Touch Switch Adjustable USB LED Light- 10 Super Bright - Flexible LED Reading Lamp - Portable Desktop Light No Batteries Needed, Blue 1-watt usb led stick light with 10 bulbs, the shell is aluminum alloy material Aluminum alloy touch adjustable led light, protect your eyesight Usb port can be connected mobile power or notebook computer, long-lasting usb led light for anyone outdoors don't need batteries The highly portable size of the usb led light makes it easy to carry wherever you go No batteries needed and charge free - need not worried about the power running out of, works great with your laptop or power bank