LED desk lamp has 5 brightness levels and 5 lighting color to choose(Cool white/white/warm/nature/warm white), providing ideal light levels for working, studying, reading.It can be powered by charger/power bank/PC/DC 5V adapter.One USB cable included.Touch Control & memory function: Touch Sensor Switch is applied to this led table lamp. Memory function means you only need to set the brightness / color mode once you use this desk lamp, and desk light will automatically return to the setting when turned on next time.USB Charging & Auto-Off Timer: Recharge your smart phone via the built-in 5V/1A USB output while lighting. Turn light off automatically with 30min/60min Auto-Off Timer, perfect for when dozing offEye-friendly LED Panel: 52 full spectrum beads with soft light, no flicker, no shadow, which avoids eye fatigue caused by flickering light and harsh glare effectively, desk lamp is ideal for reading, study for long time.Notice:Lamp is not chargeable.It only lights up if it is plugged into a power adapter.The USB-C port is used for power input. The USB-A port is used for output power. Use the included USB cable to connect the lamp to the power adapter.