This desk light with a stable pen c-ontainer & p-hone holder and flexible tube which can be twisted to any positions owns 3 distinctive colors temperature to meet any different lighting requirements.Comes with sensitive touching control design and long press for stepless dimmable. What are you waiting for? Just come and buy. (Optional)High capacity cell: Built-in 1250mAh high capacity rechargeable cell for long-lasting use. Flexible bendable tube design: Nice to adjust different illumination angle to suit diverse needed. Specifications: Type: Type 1(With built-in cell)/ Type 2(Without built-in cell)(Optional) Light colors: White color, warm white color, natural light Brightness level: Stepless dimmable LEDs quantity: 23 pcs Input: D V 5V Consumption: 4 W Lumen flux: 625lm Cell: 1 * 3,7V 1250mAh high capacity rechargeable cell Color temperature: 6000K(white color)/3000K (warm white color), 4000-6000K(natural light color) Material: Plastic Cable length: 1.2meters Color: White Item size: 430 * 100 100mm/ 16.9 * 3.9 * 3.9inches(Length * Width * Height) Package size: 191 * 100 * 100mm / 7.5 * 3.9 * 3.9inches(Length * Width * Height) Package weight: Type 1: 320g/ Type 2: 280g Package list: 1 * light 1 * usb cable wire 1 * instruction