Features: Durable metal shell, shockproof and anti-fall, better protect your valuable data. Adopt high-performance main control chip, faster and more stable data storage. The compact lightweight design allows you to take important files with you wherever you go. This U disk Features a cap-less design and a lanyard slot for convenience, easy to carry. Support mobile phone, tablet, TV, speaker and other USB interface devices. Specification: Model: SX1 Storage Capacity: 32GB/64GB/128GB(optional) Color: Silver, Black(Optional) Interface: USB3.1 Material: Metal Read Speed: 60-120MB/S Write Speed: 20-50MB/s Operating temperature: 0~55 Storage temperature: -40 to 85 Support System: Windows XP/7/8/10 etc. Product Size: 61.3x16.6x8.7mm Product Weight: 23g Packing List: 1 x U Disk