Description It is bright enough for you to read, write or use in most occasions, you can adjust the light according to your needs, provide sufficient light in low , and won't disturb your roommates, when sharing a room with others, bring more conveniences. Features -Color: Blue, black -Material: ABS, metal -Size: 46.50X1.00X1.00cm/18.27X0.39X0.39 in. - Easy to use, you just need to plug this touch lamp into USB ports on your laptop, computer, portable power source, USB socket, etc. - Allow you to enjoy reading, do any computer task, camping, etc. - It is great as an USB computer or laptop light for keyboard without backlit. - They can be a gift to share with your family or roommates. - Lightweight and portable, you can take them by your sides, and use wherever you want, don't need charge and battery. Easy to use, you just need to plug this touch lamp into USB ports on your laptop, computer, portable power source, USB socket, etc. Allow you to enjoy reading, do any computer task, camping, etc. It is great as an USB computer or laptop light for keyboard without backlit. They can be a gift to share with your family or roommates. Lightweight and portable, you can take them by your sides, and use wherever you want, don't need charge and battery.