Features: High-grade aluminium alloy ensures great heat dissipation and long lifespan, simple design ensures it looks elegant, modern and fashionable. No flickering, no flashing, no ghosting and has no dark zone, better eye protection. 5 color temperature modes to choose from, 3 level of brightness to sure your activities via easy slide and touch sensor. Timer power-off: 30 minute or 60 minutes auto timer mode( only available for color temperature adjustable lamp). Smart flexible design, allows you to fold the lamp for easy storage. Bottom foam pad, stand still and protect the desk lamp from shock. Perfect use in office, bedroom, school, and reading. Specification: Material: Aluminum alloy Item color: Silver Type: Plug in/Charging Powered by:Plug in/Built-in rechargeable battery Light source: LED Switch: Touch switch Brightness: High-M-Low Rated voltage: DC 5V Rated power: 6W Rated current: 1A Weight: 600g Package includes: 1 x LED Desk Lamp(brightness adjustable/brightness and color temperature adjustable optional) 1 x USB Cable Note: 1. Color adjustable only adjustable color temperature. 2. USB cable should be conencted with LED light all the time, because this table lamp have no power storage function. (That is to say this table lamp should be charged by USB port all the time.Please do not unplug it.)