Description: Specification: There are two choices of shapes: square and double heads can be separated. There are two options for charging: rechargeable and plug-in Brightness: touch three-digit dimming Light color: white/warm white/natural light Voltage: 5V Power: 7W Number of lamp beads: 40 Color temperature: 3000-6500k Switch: touch switch Battery capacity: 3200mah Hint: 1. The product comes with a USB cable without a plug. 2. The LED display of this product does not emit light at night and will not affect sleep. 3. "No battery" version: This light cannot work without a usb cable. "Built-in battery" version: This light can work without a usb cable. Specifications: 1. No flicker, no flicker, no double shadow, no dark area, better protect eyes. 2. Slide your finger along the touchpad to set the brightness level, which is very simple and convenient. 3. Flexible positioning, suitable for office, bedroom, school and reading Package Included: 1 * LED eye lamp 1 * USB charging cable 1 * User Manual