The Amble Performance desk lamp with USB charging features a sleek, minimal design with a tri-position base that offers a variety of light settings. Each base position provides a different sphere of light that is glare free and has a 15.8" reach. It has a built in dimmer switch, USB-A port for mobile device charging and an occupancy sensor that will shut off after 30 minutes of inactivity. The lamp is available in different colors and comes with a 15 year structural warranty and a 1 year warranty on the LED/Transformer.