? [Partner friendly and personalized brightness] Opaul book light has 3 colors and 9 brightness you can choose: yellow (3000k), hot white (4000k), cold white (6000k)To open and change the color, press the button in the middle of the neck light, press the button of the light arms, you can control the light and brightness with arms sprinkled with your preferenceEspecially when you read at night, your spouse will not be disturbed Moreover, the book reading light can work up to maximum 80 hours after full charge [Flexibility and ergonomic design] Our neck reading light made of ABS and soft silicone material is light and durableThe arms can be removed and rotated, so you can get the angleErgonomic neck design and completely hands are ! [Eye protection] Enricized LED light enriched with eye protection technology wide, equal and soft lighting that do not contain tremor or hard shadowsWhile our reading light is on your neck, you can ly dive into a comfortable reading corner by saying goodbye to harsh and disturbing lightingKnitting is also a thoughtful and relaxing gift! is also suitable forThis is a great gift for your spouse, children, parents and friends.