:. . USB-A Flash Drive Stylish Metal & Capless Design Interface: USB 3.2 Gen 1 Speed: Up to 200MB/s read Functional Loop Attaches to Key Rings Operating Temperature: 0?C~60?C Storage Temperature: -20?C~85?C. . Specifications: General Capacities 32GB, 64GB, 128GB, 256GB Speed USB 3.2 Gen 1 Speeds. 32GB-64GB: 200MB/s Read. 128GB-256GB: 200MB/s Read, 60MB/s Write Dimensions 39mm x 12.6mm x 4.9mm Weight 4g Operating Temperature