LED Student Learning Eye Protection Foldable Rechargeable Desk Lamp with Built-in 8000mAh Battery - High brightness with three color temperature modes and stepless dimming control - Touch control switch for easy operation - Constructed from ABS and stainless steel materials for durability - Maximum illuminance of over 800 lux at 50 cm (at highest brightness) - Rated power: over 9W - Rated voltage: DC 5V 2A - Luminous flux: 200 lumens (warm white), 250 lumens (natural white), 300 lumens (cool white) - Color rendering index (CRI): greater than 95 for accurate color representation - Adjustable color temperatures: cool light 5500–6000K, warm light 2800–3300K, natural light 4000–5000K - Compact foldable design with product dimensions of 17 x 36.5 mm - Product weight: 790 grams - Package includes: 1 x LED desk lamp, 1 x USB charging cable, 1 x user manual