Cache Memory features: 64GB USB 2.0 Waterproof Aluminum USB Flash Drive Pen Drive U Disk with Key Ring Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Specifications:2. Color: Silver3. Material: Aluminium Alloy4. Interface: USB 2.05. Capacity: 64GBFeatures:1. The USB flash drive is made of aluminum alloy material, it is durable and waterproof, ensures long life span.2. Key chain design makes it portable and not easy to fall off. You can clip it on your keys or bags.3. 64GBlarge capacity allows you to store plenty of photos, videos, audio, music, etc.4. High compatibility: Compatible with any PC, Laptop, Tablets, Computers, and other devices with USB port. Package Included:1 * 64GB USB 2.0 Waterproof Aluminum USB Flash Drive Pen Drive U Disk with Key Ring