Our USB rechargeable desk lamp comes with a powerful 3.7V 1000mAh built-in battery, which can provide 6 to 24 hours of wireless lighting to meet your needs. The convenient Type-C charging port makes charging effortless, allowing you to enjoy uninterrupted lighting without worrying about power outages or frequent battery replacement. This lamp is designed for adaptability, Just a short touch to switch between warm light/natural light/white light and turn the light on and off.Warm light creates a cozy atmosphere, while natural light enhances clarity for daily tasks. The white light setting ensures brightness for focused activities, making it a stylish and practical addition to any room.