product description Size: 18*8.5*3.5cm Material: ABS plastic shell + metal rod Product colour: black Light source: 10 LEDs,of which per arm (5 pieces) Power: 2.4W Power: 1000mAh battery Life expectancy: 10,000 hours Charging time: 1.5 hours Color temperature: 2800K -7000K (white light,warm white light,warm light) Working time: 60 hours in low light mode,4 hours in high light mode Package contents: 1 x LED book lamp 1 x USB charging cable 1 x user manual 360 Flexible and Adjustable GooseneckElegant design,LED reading light 360 degrees Flexible gooseneck tube allows you to adjust the height and angle and rotate.This keeps the lamp in the position you want. Dual head lamp and adjustable rubber padded bracketThis double head reading light is brighter than other simple headlamps.With soft rubber avoids damage to the surface of the clip,can be non-slip.equal.The soft,monotonous and flickering lighting protects your eyes and thus gives you a more comfortable reading and writing experience. Rechargeable and Mini SizeComes with a 1000mAh battery and USB charging cable,easy to charge.Light and compact,small portable reading lamp,ideal for reading,work,for laptop,music stand,piano,bed,desk.