OxyLED OxyRead Q3 Ultra-thin Touch Control Smart Rechargeable LED Desk Lamp Ultra-thin plated edge lamp head; Ultra-fine goose neck lamp arm; Ultra-thin lamp base Ultra-low voltage input and lighting temperature for absolute safety 3 Levels Brightness, Touch Control, Rechargeable Non-Flicking, Eye-Care, Zero-Radiation; Delivers outstanding power-saving performance Battery type: Li-polymer battery; Battery watt hour (Wh) measurement: 3.7V*1000mAH;battery contained within; Battery weight: 45g