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 Adopt new waterproof and shockproof design, safe and durable < p>Small and portable, easy to carry and avoid loss Mini and small, key ring 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; 6-12MB/S read and write, 3-6MB/S write Adopt A+ grade high-speed chip 50% increase Adopt A+ chip, fully guaranteed by multi-layer rigorous testing U disk capacity and storage stability U disk adopts black gel packing technology, which is safe and reliable to prevent U disk damage and file loss Withstands normal use after 30 minutes submersion at 1 meter depth Product size 3.9*1.2*0.45 CM Package includes: 1*U disk (16GB) 1. Manual measurement, there will be errors in the size, please refer to the actual size 2. Due to the light and screen difference, the product color may be slightly different from the picture.