Rechargeable: Rechargeable desk lamp. Built-in 2000mAh rechargeable battery with USB port and USB cable. You can connect it to iPad, laptop, power bank and adapter (not included) to charge. The side switch has a battery protection function to prevent short circuit. The indicator light will change from red to green when charging is complete. 360 Adjustable & Anti-Scratch Clip: The flexible gooseneck can rotate 360, so you can easily rotate and choose the direction of light you want. The metal clip with foam pad protects your furniture and firmly attaches to any headboard, table and bed edge. Adjustable Hue and Brightness: The USB LED reading light With simple switches and function keys, you can adjust the light to three color temperatures (cool white/warm white/natural) and different light intensities (10% 100%). different lighting needs. Different lighting levels, ideal for reading at night, black color. Eye protection: Children's reading light made of high-quality chips, does not generate ghosting or flickering light. The book light does not tire the eyes even if it stays in the light for a long time. Designed to help protect eyesight and reduce eye fatigue for those who read and work every day. Ideal gift for children and bookworms. Widely used: The versatile USB lamp is very suitable for bedside lamp, nightstand lamp, bedside lamp, workstation lamp, desk lamp, nightstand lamp, camping lamp, nail technician lamp, etc. The clip lamp can be used on the desk, craft table, drawing board, workstation, etc. to illuminate your hobby. 360 degree adjustable. The neck can be freely bent 360 degrees, so you can flexibly adjust the height and direction of the light, you can always find the ideal position. The metal clamp is flexible and keeps its position. Strong metal clip. Ideal for mounting on the edge of a bed, headboard, laptop, desk, craft table, drawing board. And the mat can prevent slipping or damage to the mat. Hanging hole. There is a hanging hole on the bottom edge of the clip. You can hang it on a hook or screw it to the wall to meet your different lighting needs. It is very convenient and practical to provide lighting for reading, studying and working. Attention: 1, Please charge in time when the indicator light flashes. 2. If you do not use it for a long time, please recharge it every 30 days. 3. Please do not look directly at the light source to avoid irritating the eyes. 4, The LED light source cannot be replaced. Specifications: Item Type: Rechargeable LED Bulb. Voltage: DC 5V / 2A. Light Source: 20 LED. Rechargeable battery: 2000mAh lithium battery. Rated power: 5W. Charging time: 6-8 hours.