USB Memory 64GB USB3.0 Ultra-Fast Data Transfer, Read Speed Up to 60MB/s Waterproof, Dustproof, Shockproof - Capacity: 64GB - Quantity: Set of 4 - Used: Shows some signs of use (No issues with operation) Thank you for viewing. 【Powerful Storage and High Speed】 With a large 64GB capacity, you can store many videos, photos, music, games, and other files without the risk of loss. Equipped with a USB 3.0 interface, it can quickly transfer file data with a read speed of up to 60MB/s and a write speed of up to 15MB/s. 【Waterproof and Durable】 Using a metal housing, even if accidentally dropped in water, it can still be used after drying. The USB flash drive is protected from dust and shock, making it sturdy and keeping your file data safe. 【Portable and Convenient Design】 It's very small and can be put in your pocket or wallet, making it convenient. This type of USB drive also has a key ring design, allowing you to attach it to a backpack or wallet and carry your data anywhere. We are offering these at a low price to begin with, so we will not be responding to any price negotiations. Thank you for your understanding.