3 Colors and Stepless Dimming: The reading lamp has 3 useful color temperature modes: Yellow (4000k), Warm White (4500k) and White (6000k). Each light mode has an independent switch, and the light brightness can be adjusted continuously. Long press the Shift key to gradually decrease the brightness from 100%. Rechargeable and Durable: The reading light has a built-in 1800mAh battery that can be used for 8-30 hours in different brightness modes. It comes with a USB Type-C charging cable so you can charge it whenever you want. Please note that the first charging time should not exceed 180 minutes, and the light will automatically turn off after the battery is fully charged. Adjustable and Foldable: the lamp head can be rotated 270 and you can easily adjust a comfortable angle and brightness that suits your needs. It can also be folded and folded into desk lamp mode and placed on the desk in a balanced and stable way, which is more convenient for your writing. User-friendly and Ergonomic Design: No light filter design blue and flickering with advanced LED heads. No more eye strain, both for children and adults. The arms are flexible and adjustable so you can adjust the angle to the most comfortable angle for you. Ergonomic neck and neck design and it's completely hands-free! Multi-Applicable Scene: This LED reading light is perfect for indoor and outdoor use. It can be folded into desk lamp mode. The neck lamp can be used for night reading, walking, repairing, camping, knitting, fishing, etc. The product box contains: 1* LED Neck Light. Specification of LED Neck Hanging Reading Light Product Name Hanging Neck Reading Light Product Model GH -8 Product size 250*160*30mm Material ABS+Silicone Battery capacity 1800mah halter mode Power maximum 2.5 W Three-color light source, cold light, warm light, warm white light Autonomy 10H Product weight 150g < p>Color box size 181*34*200mm Appearance color black desk lamp mode Shipping quantity: 1 piece