Portable battery power supply Built-in 1800mAh battery and USB charging port charging time 2.5-4 hours working time 8-20 hours. Minimalist modern style Portable table lamp is made of light metal with simple outline design easy to carry. The table lamp base adopts anti-slip design which is suitable for restaurant/desk/outdoor use. Ideal for family gatherings outdoor camping and dinner. 3 colors and stepless dimming stepless dimming (100% - 20%): press and hold to control the light brightness. Color temperature(3 colors): Click to switch the light color. Three color temperatures can be switched: warm white light warm light and white light. Universal USB charging The rechargeable lamp is equipped with a long USB data cable. You can charge the lamp by connecting the cable to any USB port (including laptop computer power bank wall outlet or power strip). Product List Desk Lamp1 Charging Cable1