Eye protection Led table lamp, USB charging bedroom bedside touch table lamp. Touch the three-step switch to adjust the brightness at will. Built-in battery, USB interface charging, convenient and practical, it is a practical item for your home trip. Three brightness adjustment modes , USB charging port , No flicker, protect eyesight , Universal USB charging port, which can be connected to power bank, mobile phone socket, computer interface, etc., to charge anytime and anywhere. Purpose: reading in the study room, bedside table in the bedroom, study, office, dorm room. The lamp tube can be twisted and bent freely. Charging time: 4 hours , Battery Backup - 1 Hours.