Linghhang - 2 Pack usb Rechargeable Book Lights for Night Reading, Portable led Clip-on Reading Lights, 3 Colors Adjustable Brightness

General description The 2 Pack USB Rechargeable Book Lights are designed for night reading, featuring portable LED clip-on functionality. With a unique timer and improved reading comfort, these lights ensure an enjoyable reading experience without straining your eyes. Technical specifications Battery capacity: 500mAh Weight: 39g Brightness levels: 5 adjustable levels Color temperatures: Amber light (1600K), Mixed light (4000K), White light (6000K) Auto-off timer: 30 minutes (green light mode) or 60 minutes (blue light mode) Clamp opening angle: Maximum of 150° Lamp head rotation: 90° left, 90° right, 45° down Compatibility and accessories Rechargeable via any USB port (laptops, mobile power, adapters) No charging cable required Installation Clip securely onto books without damaging them Usage Ideal for reading in bed, at home, while traveling, on planes or trains, and in cars Enjoy reading time ranging from 8 to 80 hours depending on brightness level Memory function retains your last