Crystal Flash Drive (or memory drive, USB stick, thumb drive) with sub-surface 3D laser engraving, green LED light, and brushed metal protective cover. Flash Drive lights up when in use, making this a powerful and beautiful conversation piece for brand promotion. Optional laser engraving of case. Ideal as a high-end brand promotional item or with optional personalized engraving of case a great recognition award. A MUST for trade shows promotions! 4GB/Grade A.