Weight: 3g Size: 0.7 x 0.2mm x 0.7 INCH Material: Metal Logo: Laser engrave Capacity: 8GB,16GB,32GB,64GB,128GB Color: silver, Golden, Gun Matt, Writing speed: 13MB/S-18MB/S Reading speed: 20MB/s – 30MB/s Warranty: 3 years Data Retention: over 10 years Working Temperature: 0°C to 60°C Storage Temperature: -25°C to 85°C Waterproof OS: IOS , Windows 7, windows 8, windows 10, XP, Vista, Linux etc