ADJUSTABLE 3 LIGHTING MODES: The LED Clip Desk Lamp has 3 Lighting Colors, warm light , warmwhite light and white light . Warm light can creates more warm and peaceful atmosphere, perfect for night sleeping or relaxing. white light is better for your working, reading or studying.USB RECHARGEABLE(ADAPTER NOT INCLUDE): Portable and USB plug design is easily get power, such as laptop/desktop/power bank/USB adapter. Our reading light has 48 led beads, with Long Service Life, High Light Efficiency, Good Heat Dissipation And Low Light Failure. ADJUSTABLE BRIGHTNESS & COLOR: Has 3 Lighting Colors, white light,white warm light and warm light. The former creates more warm and peaceful atmosphere, perfect for night sleeping or relaxing. The latter is better for your working, reading or studying. PRACTICAL & PORTABLE: The book light features mini size and compact design makes it very easy to carry. Sturdy and flexible (360 degrees flexible) goose neck allows you to position your light anywhere you want.Ability to fold and put away for easy storage.