3 MODES & AMBER LIGHT FOR EYE CAREOur neck reading light has 4 LED beads with three light modes: cool white light, amber light and cool white + amber light. Depending on the environment you are using the reading lamp in, you can choose the light mode and brightness that best suits your eyes by pressing to change the light source and long pressing to adjust the light brightness. Infinitely Flexible Arms Say goodbye to holding a flashlight or carrying a headlamp, it allows you to position and focus light exactly where you want it. premium soft rubber, it bends into the shape you need. Eyes and Indicator DisplayNo blue light and flicker filter design with advanced LED beads. No more eye strain for kids and adults. Charging indicator and power indicator remind us to charge in time when the power is low. Rechargeable and Long LastingBuilt-in 1000mAh USB rechargeable lithium battery, longer life battery.Rechargeable function allows you to read anywhere, up to 80 hours (general reading, single head) of power. Ergonomic DesignFits the body and relieves pain. pressure on the shoulders and neck.When you are reading or busy knitting, crafting and crocheting, free your hands and help you concentrate on what you are doing without worrying about the light.