1、Adopts premium materials, the light shell is lightweight and durable, the lighting is eye friendly and energy saving​ 2、Easy to use, just simply touch the touch switch with your fingertip, you can turn the light on and adjust it 3、Free angle flexible neck can help you position the light to anywhere as you like 4、Featherweight construction with compact size is perfect for easy carrying to anywhere 5、Built-in battery offers you long hours of non-stop lighting, suitable for home, school, office, etc This a USB rechargeable LED desk lamp, it can offer bright lighting and the flexible neck can be bent to meet your needs, and it is environmental friendly and energy saving. It is a good choice for your daily life and study, just take it ! Features: Adopts premium materials, the light shell is lightweight and durable, the lighting is eye friendly and energy saving. Easy to use, just simply touch the touch switch with  your fingertip, you can turn the light on and adjust it. Free angle flexible neck can help you position the light to anywhere as you like. Featherweight construction with compact size is perfect for easy carrying to anywhere. Built-in battery offers you long hours of non-stop lighting, suitable for home, school, office, etc. Specifications: Material: ABS + PS Item Color: White Light Color: White  Input Power: DC 5V 0.5A Power: 4W+/-10% Color Temperature: 3750-4250K Switch Type: Touch Swtich Luminous Flux: 210LM+/-10% CRI>80Ra Battery: 1 x 18650 (1200mAh) Charging Time: Max. 4 hours Working Time: 3 hours Size: Approx. 13 x 29cm / 5.12 x 11.42inch Weight: Approx. 451g Package Included: 1 x Light 1 x USB Cable 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store