LED Desk Lamp USB Dimming Touch Foldable Desk Lamp with Calendar Temperature Clock Night Light Learning Reading Lamp Specification: There are two choices of shapes: square head and double head detachable. There are two options for charging: rechargeable and plug-in Brightness: touch three-digit dimming Light color: pure white/warm white/natural light Voltage: 5V Power: 7W Number of lamp beads: 40 pcs 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. "Battery-less" version: This light does not work without a USB cable. "Built-in battery" version: This light works without a USB cable. 1. No flicker, no flickering, no ghosting, no dark areas, better protecting eyes. 2. Slide your finger along the touchpad to set the brightness level, which is very simple and convenient. 3. Flexible positioning, suitable for offices, bedrooms, schools, and reading 1*LED eye light 1*USB charging cable 1*User Manual