OTG Dual USB Flash drive For SmartPhone/Tablet/PC (Android System 4.6 Or Higher) Item specifics Style:Rectangle,Stick Product Type:Multifunctional Product Weight:18g Encryption:No Material:Plastic About Real Capacity The display capacity and normal capacity are different because the calculation methods are different.Manufacturer standard:1GB=1,000MB / 1MB=1,000KB.Operation system standard:1GB=1,024MB / 1MB=1,024KB. 4GB = approximately 3.6GB-3.8GB 8GB = approximately 7.4GB-7.6GB 16GB = approximately 14GB-15GB 32GB = approximately 28GB-30GB 64GB = approximately 58GB-60GB 128GB = approximately 110GB-120GB This is calculation difference between manufacturer and your PC, please understand the difference! Please Note:This is only compatible Micro usb Android System 4.5 or higher(with OTG Function),not for type c mobile or iPhone,please make sure if your mobile can support this kind OTG pendrive first before place the order,thanks!!! Package: 1 x USB Stick (Color will send randomly if you don't select color in the drop down menu)