Adjustable enlarge & USB Charging: change between 30X primary lens and 60X assistant lens for different applications, powered by a built in battery offering 3 15 hours of continuous action ( approximately 1 hour charging time Ergonomic Handling: The ABS construction with textured grip provides comfortable use during prolonged meetings, developed for the elderly, students, collectors, and specialists conducting extended examinations or repair work Illuminated Viewing Solution: Equipped with 21 / 24 efficient LED lights, this compact magnifier ensures optimal brightness in low light settings, making it suitable for reading, electronics repairs, and tasks requiring detailed observation Multi Purpose Inspection Tool: Essential for stamp / coin collectors, watchmakers, electronics technicians, and hobbyists, this versatile magnification device accommodates reading, crafting, repairing, and collection authentication needs with enhanced accuracy Enhanced Viewing: Featuring permanent acrylic lenses with 30X / 60X enlarge capability, this LED magnifier delivers clear visibility for jewelry assessment,, and close inspections, Manufacturer: Oxxggkao