Function: 1. [USB Charging] USB port design, it's powered by USB charger, USB power bank or laptop, so it's convenient when you want to use it. 2. [Touch Control] The dimmable table lamp touches the switch mode, saves space at the same time, and is also easier to operate. 3. [Eye protection] Reading and writing Eye protection is noteworthy, and each color temperature has an expected day. 4. [Wide Angle] Wide wide angle illumination, direct type large area, layer by layer uniform illumination. 5. [Light Source] Adjustable light source to provide appropriate brightness and color temperature. White light, warm light, natural light can be switched freely. Specification: Item Type: Desk Lamp; Material: ABSLED Height: Approx. 24 cm / 9.4 in Length: Approx. 25.5 cm / 10 inch Basic Size: Approx. 13.5 cm / 5.3 in Weight: Approx. 310g / 11oz Switch mode: touch control Input power: DC5V 1A Color Temperature: 3000K-6000K Minimum Illumination: 2Lx (30cm / 11.8in) Maximum illuminance: 280Lx (30cm / 11.8in) Light source: 16 LED lamp beads, white light, warm light, natural light can be switched freely; Control mode: touch switch, infinite dimming Product voltage: 5V Rated power: 5W (16x0.2W/LED module) Use time: fully charged (low stage 20 hours, medium stage 10 hours, high stage 6 hours) Package List: 1 x USB rechargeable desk lamp 1 x USB charging cable Note: