- Design and ambience: The wireless touch desk lamp features a simple portable form with an arrow-shaped lamp head. A light touch on the switch emits a warm glow like a firefly in the dark, creating a warm, comfortable atmosphere. - Power, brightness, and memory: Built-in 4000mAh battery, charging time 3.5H, working time 12.40H. Long press the touch button to adjust brightness (5%). Memory function restores the last brightness when turned on again. - Uses and practicality: Enhances the elegance of gardens or living rooms and makes candlelight dinners more romantic. No need to plug in, suitable for outdoor camping, dinners, family gatherings, cafes, reading, restaurants, bars, etc. A great gift for family and friends. - Specifications and indicators: Input voltage 5V/MAX2A; Wattage 2.0W; Luminous flux 180 LM; Dimensions 3.94 in diameter x 11.8 in height; Package weight 1.05 lbs; LED life 30,000 hours; IP54 waterproof; color temperature 2700K. Battery indicator: Green = fully charged; Red flashing = USBC charging; Red = low battery.