Justsimple Mini USB Reading Light,5PCS 6-LED Ultra-Thin Portable Night Light Power,Super Bright Touch Switch Keychain Lamp for Lighting,Indoors,Outdoors,Notebook Camping,Hiking,Reading,Warm White Mini usb led light is with a ultra small size and light weight, easy to carry to carry out, The night light is equipped with a hole for keychain, can be attached to your key or a lanyard Double USB design,Both of Sides Can be Used as Plug,Handy in Different Occasions Such as Bedroom Night,Outdoor Camping, Book Reading, Working and Writing in Night with Your laptop Computer etc Using liquid crystal display backlight LED lamp bead ultrathin, super light, super long does not hurt the eyes PCB Materials : Metal, Plastic, Electronic Parts.High Quality Ultra-thin Portable USB light Reading light Keyboard LED Light Package include:5pcs 6-LEDs Pure Warm White Mini USB LED Lights.Please note that this USB light is very bright and will generate little heating after working for long time, it's normal.Just take care when you touch it off.