Dimensions: 7cm x 4.5cm 【Rechargeable Reading Lamp】The reading lamp is equipped with a Type-C charging cable. It only takes about 1.5 hours to fully charge. While charging, the red indicator light will illuminate; after charging, the green indicator light will illuminate. Once fully charged, the reading lamp can be used compatible with approximately 24 hours on low brightness and approximately 3-5 hours on high brightness. This allows you to enjoy reading compatible with longer. 【Soft Eye Protection】The reading lamp is made with professional eye-protective LED beads, which provide a stable light source, maximizing eye protection. Even with extended use, you won't feel tired while reading. 【3 Color Temperatures】The reading lamp is available in three light source colors: White / Warm / Natural to meet your daily needs. You can choose different light sources depending on the situation to make reading more comcompatible withtable. Short press the button to easily change the light color; long press the button to adjust the light brightness. 【360° Flex Neck & Foldable】The bed reading lamp features a gooseneck design that rotates 360°, allowing you to adjust the light to any desired angle. The bed reading lamp can also be folded compatible with easy storage and transport. 【Widely Used】The reading lamp is small, foldable, and portable. The book clip securely attaches to books, perfect compatible with reading in bed, the ideal companion compatible with your nighttime reading, and also perfect compatible with camping and travel.