Features: Hand-Free: Neck hug reading light, no need to hold, ideal for reading in bed, walking, jogging, knitting, etc. Brightness Adjustable: Three brightness levels to meet your different needs. The light is soft and even without flicker, protecting eyes. Built-in Battery: 400mAh rechargeable battery, which can continuously work for 3-4 hours(At Maximum Brightness), no need to plug in, very convenient. Arbitrary Bending: Super flexible silicone neck can be bent into various shapes, you can easily get the most comfortable angle. Comfortable Design: Light and portable, easy to carry. Ergonomic design with soft silicone surface, provide you a comfortable experience. Specifications: Material: ABS + Silicone Brightness: Max. 90 Lumen Color Temperature: 5500K Battery: Built-in 400mAh Lithium Battery Charging Time: 50min Lasting Time: 3-4 hours(At Maximum Brightness) Item Weight: 85.5 g/ 3.0oz Package Size: 13 * 9 * 4cm/ 5.1 * 3.5 * 1.6in Package Weight: 126g/ 4.4oz Packing List: 1 * Reading Light 1 * USB Cable 1 * User's Manual Hand-Free: Neck hug reading light, no need to hold, ideal for reading in bed, walking, jogging, knitting, etc. Brightness Adjustable: Three brightness levels to meet your different needs. The light is soft and even without flicker, protecting eyes. Built-in Battery: 400mAh rechargeable battery, which can continuously work for 3-4 hours(At Maximum Brightness), no need to plug in, very convenient. Arbitrary Bending: Super flexible silicone neck can be bent into various sha