Total length of bracket: 640mmLamp head size: outer diameter 90mmCable length: 1.45MNumber of LEDs: 24LED power: 6WPower supply: USB 5VMaterial: ABS3 colors of light: white, warm yellow, rub colorPower supply: USB inputFeatures: 360-degree rotation, minimum 2.28 inches to maximum 3.15 inches mobile phoneCompatible with most tablesClamp adjustment range: 0 -2.75 inchesSelfie ring LED light brightness adjustment: 10 levels of brightness adjustableFunctions: Desk phone base, 24 LED camera 2-in-1 360-degree long arm, mobile phone holder, movie/movie viewing stand, anti-slip mobile phone holder, makeup camera light for iPhone Android, Youtube live broadcast makeup holder