TOPMORE ZX Series USB 3.0 Flash Drive (32GB) Waterproof High Read Speed Flash Disk Memory Stick Stylish zinc alloy outer casing, simple and humble design. Can plug and pull up to a hundred thousand times, shockproof, shatterproof, high quality assured. Patented product, 100% water-resistant, life time warranty. Chip On Board packaging process to guarrantee consistency and stability. Read speed up to 90MB/s. Comes with TOPMORE OTG Adapter.