High speed and stable black glue chip transmission Real capacity and stable high-speed transmission performance Widely compatible with plug and play Computer/mobile phone/car/stereo/TV... Waterproof, dustproof and shockproof Adopts new waterproof and shockproof design, safe and durable Small and portable, easy to carry and prevent loss Mini and small, keychain design, easy to carry Shell material; metal Interface: USB2.0 interface, plug and unplug Operating system; win7/8/10/xp, Linux2.4.xW7, etc. Operating temperature is between 0°℃-60°℃ Storage temperature: between - 20℃-85℃ Transmission speed; read and write 6-12MB/S, write 3-6MB/S Adopt A+ grade high-speed chip 50% increase Adopt A+ chip, fully guaranteed by rigorous multi-layer testing U-disk capacity and storage stability The U-disk adopts black gel packaging technology, which is safe and reliable to prevent U-disk damage and file loss Can withstand normal use after 30 minutes of immersion at a depth of 1 meter Product size 3.9*1.2*0.45CM Package contains: 1*U disk (16GB) 1. Manual measurement, there will be errors in size, please refer to the actual size 2. Due to the difference in light and screen, the color of the product may be slightly different from the picture.