HandAcc Clip on Reading Light, 3 Color Temperatures and Brightness Levels Clamp Light, Eye-friendly LED Desk Lamp with USB Adapter Perfect for Office, Bedrooms, Sewing, Computer(White) Ergonomic Design - Can be easily operated by those with weaker hands but will not scratch the surface it is attached to Extra Long Gooseneck - The high quality silicone flexible neck will bend freely and create no noise,perfect for reading in bed 3-Level Ajustable Brightness and Color Temperature - Different light can meet all your need and is energy-saving and can protect your eyes Versatile Power Supply - With a USB power cord, you could connect to power bank, PC or USB AC adapter Efficient Heat Dissipation - The Lamp is designed not to get hot in long-term use, increasing the safety and the life of the lamp