Anpress Eye-Care LED Clip Desk Lamp, 10 Long Life LEDs, Flexible Gooseneck Tube, Clamp On Book Light ,Bright 5500K White Light Care of Eyes: Bright, clean 5500K white light,reflective LED lighting source provides Natural, non-flickering light for stress-free productivity and enjoyment Flexible: 360 degree sleek, modern and flexible metal gooseneck provides great natural light right where you want it Strong Clamp: Sturdy clamp allows great versatility,padded foam inserts to protect surfaces well,the clamp opens up to nearly 90mm allowing this lamp to attach to desks, table tops, shelves, headboards and more; with a hole on the clamp,you also can hang it up USB Powered: Be powered either by USB power or normal A/C wall outlet, Neck length: 35cm, cable length: 142cm, gripper max height (open): 9cm Note: The power cord is a 142cm cord that has a USB end and will need to be plugged into a USB port on your computer, power bank or wall plug. It is permanently connected to the lamp and can not be removed