What occasions is U disk suitable for: A. Large-scale conferences, public relations activities, exhibitions, etc., to present participants as gifts and souvenirs; B. Presented by companies and institutions to customers as an advertising medium for product advertisements, website advertising, manuals, manuals and other information; C. Gifts or bonuses, to customers; D. A new medium for the image of the company and the promotion of products; E. Bundled Product Sales for Enterprise Level Users Four-in-One Mobile Phone U Disk for Apple / Android / Type-C / USB Fingerprint Unlock, combining security and intelligence Thanks to password protection, make all the information of the APP private, no more worrying about data leaks Digital file encryption and function of fingerprint unlock, secure anywhere you want More stable storage High-quality selected high-performance FLASH chips from international brands High-speed compatibility, safe and strong Exquisite and detailed metal texture Precision metal made, compact and portable Easy data backup Through APP management , you can make images, Address book and video backup and iPhone and Android production Le tran File transfer between mobile phone and PC does not require WiFi and iTunes synchronization Pen shooting, direct recording, whatever you want You can take photos and videos directly and store them directly on the U disk without occupying the phone memory. interface USB + lightning Current operating state 100mA Current standby state 30mA Operating temperature 0 ℃ ~ + 70 ℃ Write speed 10-20M / S (Reading and writing speed varies depending on test platform) Reading speed 40-80M / s Operating voltage 4.75V-5.25V storage temperature -30 ° C ~ 55 ° C Package includes: 1 * four-in-one (32GB) USB flash drive 1. Manual measurement, there will be some errors in the size, please refer to the actual size 2. Due to the light and screen difference, the product's color may be slightly different from the picture.