Built-in 2000mAh rechargeable lithium battery, powered by USB charger, laptop USB, mobile phone adapter, car USB, etc. energy saving and convenient. Working time: 5-8h (low brightness), 3-4h ( medium brightness),2h ( high brightness) This study desk lamp includes a night light and dimmable 3 levels of Brightness. Soft night light makes you sleep sweet at night. 3 levels of brightness can protects the retina, relieves eye fatigue, and creates a comfortable and eye-caring learning environment. The flexible hose of the office LED desk lamp rotates freely like a gooseneck. This office desk lamp has a soft texture and elegant designs. The flexible and multi-angled free rotation of the desk lamp is suitable for different height needs.
