AVANTEK Clip On Lamp USB Rechargeable Clamp Light with Eye Protection, Multidirectional Adjustable Gooseneck (12 Yellow LEDs and 12 White LEDs) Adjustable Brightness: Brightness can be gradually adjusted without level constraint; suitable for various scenarios, such as subdued light when going to sleep and hard light when reading Distinct Light Colors: Consists of 12 yellow LEDs and 12 white LEDs; provides 3 distinct colors of light, Warm White with yellow LEDs, Cool White with white LEDs, and Daylight White with all LEDs; color temperature varies from 3000K to 6500K Embedded USB Charging Cable: Allows the light to be conveniently charged with 1.5m long USB cable while it is in use; provides up to 30 hours of discharging time after 4 hours of full charging Convenient to Use: Designed with steady and handy clamp and entirely flexible gooseneck; adjust easily in height and angle to provide illumination in any direction; supports surface with thickness up to 4 cm; can also be secured to walls with a screw (not included) Stylish and High End Design: Finished with static oxidation-treated high-intensity ABS, this lamp is water-resistant and dustproof; appears simple yet elegant with the shiny, smooth and white design