GBGS LED Desk Lamp Clamp with USB Charging Port (30 Minute Timer, 5 Dimming Levels, 3 Lighting Modes, Flexible Gooseneck, Touch-Sensitive) Clamp Design & Fully-Adjustable. 360 degree flexible gooseneck, makes it easy to tuck it around any corner or nook. Strong clamp opens up to 1.4" width and can be used perfectly with music stands, pianos, office tables, computer desks, headboards, etc. Please do the measurement before placing your order. 30-minute auto timer (enabled by long pressing ON/OFF button for 2 seconds), perfect for your child, who is afraid to go to sleep at night without a light on. 3 lighting modes (Cool White for working, White for reading , Warm White for relaxing). 5 level brightness lighting, now you have more color temperatures (3000-6000K) to choose from to cater to your various lighting moods. It can also remember the bright/temperature settings from your last use with the built-in memory function. The charging cord has one USB charging station (DC5V/1.5A) which can charge your electronic devices including iPad, iPhone, external battery pack and Android smartphones. Eye-protection soft lighting effect desk lamp with 3000-6000K color temperature which is suitable for your entire request: working, reading or relaxing