1.3 Brightness-- The round neck light has 3 brightness levels and a total of 9 modes to meet all your needs. The first click is Cool White 6500K; the second click is Cool White 3000K; the third click is Natural White 4500K. Long press the button to adjust the brightness, easily adjust the perfect brightness, suitable for reading in bed or reading in the car. 2.Enjoy Your Wireless Gaming Time-- The huggable LED light has built-in 750mAh rechargeable lithium-ion battery, you can enjoy 50 hours of wireless gaming time without charging (normal gaming, single head), powerful and non-fading Luminosity. The light comes with a standard micro-USB cable, so you can charge your light anytime, anywhere with computers, adapters, car chargers and power banks. 3.[Specially designed to protect eyes and round neck] -- LED reading light provides stable and comfortable light to protect your eyes from flash damage and radiation. The arms are flexible and adjustable so you can get the most comfortable angle. The ergonomic neck-hung design doesn't even let you feel your existing sound as it's lightweight and comfortable. 4.Hands-free neck light: Free your hands, nod your head like a robot, adjust the light direction when reading or busy fixing. This flexible headband helps you focus on what you're doing without worrying about light, whenever you might be reading, walking the dog, repairing, crafting, working, knitting and more in bed or in the garden/terrace. 5.[Easy to use]: Hang it around your neck, enjoy reading in a bunk bed or in a car or on an overnight flight, while sweat-proof, perfect for reading, knitting, outdoor walking, jogging or BBQ.