Jaster | USB C Thumb Drive 64GB USB2.0 to USB Type-c Flash Drive High-Speed Transmission Memory Stick for Mac proSamsung GalaxyiPad PC

FEATURE:* Reading speed: 10MB-18MB/second* Writing speed: 5MB-8MB/secondPlug and play, no need to install any software Extra storage space for your Android device* USB interface has higher speed and higher stability* Lightweight, high-quality metal protection connector* Solid state storage, shockproof, anti-electromagnetic* USB service voltage: 4.5V-5.5V* Storage life: more than 5 years* Using A-grade chip, it can be erased repeatedly 1,000,000 times* Operating system: Win98/ME/2000/XP/Vista/win7/win8, Mac OS 9.X/Linux2.4 or later* USB connection: supports hot swap.* Put the digital world in your pocket* Speed varies depending on the type of file being transferred and computer configuration.ABOUT CAPACITY:128MB=approximately 110MB-120MB4GB = approximately 3.6GB-3.9GB8GB = approximately 7.4GB-7.8GB16GB = approximately 14.2GB-15GB32GB = approximately 28GB-30GB64GB = approximately 58GB-60GB128GB = approximately 110GB-120GBThis is a calculated difference between the manufacturer and your PC, please google""memory card capacity"" for more information.Your PC says 1GB = 1073741824 million bytes, where the market defines 1 GB = 1 billion bytes.Therefore, there is a certain difference between the display capacity and the nominal capacity of flash memory products.