CHUYI Novelty and Cute USB Flash Drive Pendrive, a perfect gift to your friends or families.<br><br> Feature:<br> * Creative Shape, easy to notice, don't worry about it will be lost<br> * Convenient: No need power supply, no need drive, only plug in<br> * Easy to read and read in high speed, perfect store your file of music<br> * Durable solid-state storage: Use A-class chip, can be erased repeatedly for 100,0000 times. <br> * Soft and Comfortable, using the high-quality PVC rubber, small style and fashionable, convenient to carry<br> * Support Win 98 / 8/ 7 / 10 / ME / 2000 / XP / Vista, Mac OS / Linux <br><br> Product Details:<br> Capacity: 16GB, 32GB, 64GB, 128GB<br> USB Service Voltage: 4.5V-5.5V<br> Storage Temperature: -50C - +80C<br> Storage Lifetime: More than 10 years<br> Interface: Support USB version 2.0 and 1.0<br> Environment Temperature: -40C - +70C<br><br> Package Include: 1 x USB Flash Drive<br><br> Note:<br> 1. Is the USB flash drive real capacity?<br> Sure, our USB flash drive is the real capacity, you can use the H2text to text it.<br> H2text is the most authoritative testing software in the world. If you need this software, we can free provide it to you.<br><br> 2. What is the write speed?<br> Our USB flash drive write speed is 3M/S -- 10M/S or you will lucky to get 11M+. <br><br> 3. Why the USB flash drive real capacity is not the correct capacity<br> Flash memory vendors are using decimal arithmetic: 1MB = 1000KB,1G = 1000MB calculated, the operating system using binary arithmetic: 1MB = 1024KB,1GB = 1024MB<br> So there are some differences between display capacity and nominal capacity of flash memory product<br><br> 8GB is about 7.2-7.7GB<br> 16GB is about 14.4-15GB<br> 32GB is about 28.5-30GB<br> 64GB is about 57.8-60GB<br> 128GB is about 118-120GB<br>