Different from other similar products, the brightness and color temperature of the LED lamp can be adjusted easily and freely based on your actual needs. It gives out appropriate light to light up your room. No blue-light or flicker, avoiding visual fatigue. The LED reading lamp adopts flexible and bendable hose design, which brings you more convenience to adjust the direction and height of this lamp. It is constructed of ABS material. The length of this product is 27cm, the width is 12cm and the height is 10cm. This product is perfectly suitable for office, home, household, dorm, etc. Item Name: Desk Lamp Material: ABS Voltage: 5V Battery Capacity: 4000mAh Number of Lamp Beads: 20 Light Color: Warm/Natural/White Color Rendering Index: ≥ 90 Features: Flexible, Lightweight, Long Lasting Size Details: 27cm x 12cm x 10cm/10.63" x 4.72" x 3.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Desk Lamp 1 x USB Cable