Desk Lamps Usb Dimmable Touch Foldable Table Lamp With Calendar Temperature Clock Night Lights For Study Reading LampLED Desk Lamps USB Dimmable Touch Foldable Table Lamp With Calendar Temperature Clock Night Lights For Study Reading LampSpecification:There are two choices of shapes: square and double heads can be separated.There are two options for charging: rechargeable and plug-inBrightness: touch three-digit dimmingLight color: white/warm white/natural lightVoltage: 5VPower: 7WNumber of lamp beads: 40Color temperature: 3000-6500kSwitch: touch switchBattery capacity: 3200mahHint: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.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 reading1 * LED eye lamp1 * USB charging cable1 * User Manual