NOTE: Before inserting the photo stick, please take off the protective cover of the mobile phone first, in case the photo stick interface and the mobile phone interface cannot be fully contacted , the mobile phone cannot recognize the photo stick. 1 year after-sales service. Give you great value for every cent you pay. Take advantage of the 1 years free Service that could bring safety and happiness to your mind.:Storage Capacity:32GB to 512GB,Choice the best Storage capacity for yourself. Use A-class chip, can be erased repeatedly for 100,0000 times, Shockproof and electromagnetic proof.In the video category at the bottom of the details page, there are operation videos of the photo stick on different models of mobile phones for viewing.:ATTO Disk Benchmark is the base for testing the speed of Type C Flash Drive. The Drives will provide you the Write speed of 20-50Mbps and read speed of 50-130Mbps depending apon the variant you are using.:The flash drive works with Android Smart Phone, for Samsung GalaxyA20,A50,A60,A70,A71,A80,A90,A10,M30,S10.S10+,A50,S8,S8+,S9,S9+,S20,Note7,8,9,10,20,A5(2017)A6S,A9S,Google Pixel, LG V35 ,V30,V20,G5,G6,G7,Q8,LG Stylo 4,Hua Wei,one plus. etc.:USB OTG Dual Flash Drive equipped with two connectors - USB 3.0 and Type-C 3.0. It allows you a high speed data transfer between variable port devices such as Type C port mobile phones, computers, tablets, etc.