Features:- Natural， soft light is perfect for reading and protecting your eyes.- Energy saving， long life span， and eco-friendly.- Adjustable brightness， 2 modes: low， high， control by a switch.- LED light source without stroboscopic， free from glare. - Prevent Short-sighted in advance. - No ultraviolet ray. No high frequency radiation. - The LED Lamp can be clamped on the edge of desk， bookshelf， and bedside table etc. -The flexible metal tubing can be rotated， and the light can be shown from arbitrary angles with an intensity control button.- It’s durable， portable and flexible for indoor and outdoor activities - LED table lamp is made of aluminum alloy. ( finish， polish， electroplating， anodize on the Lamp surface. The lamp holder is made of alloy aluminum for good heat dissipation. )- Subject range: reading， desk lighting， bedside reading， computer lighting， dresser lighting.Specifications:- Item type: USB Table lamps- Switch type: low， high， off switch- Function switch ( brightness adjustment )- Light source: 18 pcs 2835 LED- Power: Max. 6W- Illumination: 400-600LUX- Color temperature: 5500-6500K- Input: DC5V- Item color: Silver - Item weight: 380g - Package size: 8 * 11 * 28cm - Package weight: 490g- Cable length: 140cm approx.Package list:1 x LED lamp