Promomilia Make Metal Clip Personalised Twister USB Drive Product Description Item: Personalised Twister USB Drive Art No.: PMU135 Size: 58mm*24mm*11mm Unit Weight: 18g Minimum Order Quantity: 50 units Logo Solutions: Screen printing, Laser engraving Chipset: 100% genuine capacity Operating System: Window 10/7/Vista/XP, Mac OS 8.6 and above Data Retention: 10 years minimum Certificates: CE, Rohs, FCC passed Warranty: 5 years