[DETAIL] About real capacity 4GB = approximately 3.6GB-3.9GB 8GB = approximately 7.4GB-7.8GB 16GB = approximately 14.2GB-15GB 32GB = approximately 28GB-30GB 64GB = approximately 58GB-60GB 128GB = approximately 110GB-120GB This is calculation difference between manufacturer and your PC, please Google 'Memory card capacity' to get more information.Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1 GB = 1.00 Billion bytes.The pursuit of the perfect person is not recommended to buy. We promise only sale 100% real capacity,pass H2testw. 1 Pendrive * a Plastic bag Features: �� Read Speed: 10MB -18MB/second �� Write Speed: 5MB -8MB/second �� USB 2.0 interface with higher speed and higher stability �� Portable, lightweight, high-quality metal protects the connector ��Environment Temperature: -40��C - +70��C ��Storage Temperature: -50��C - +80��C ��USB Service Voltage: 4.5V-5.5V ��Storage Lifetime: More than 5 years ��Use A-class chip, can be erased repeatedly for 100,0000 times ��Operating System: Win98/ME/2000/XP/ Vista/win7 /win8, Mac OS 9.X/Linux2.4 or above ��USB connection:support Hot plug & Play. ��Easy to read and read in high speed ,No need drive/power supply only plug in. [ATTRIBUTES] - Hign-concerned Chemical: None - Encryption: No - Package: No - Hign-concerned Chemical: None - Encryption: No - Package: No - Material: Silicone - Model Number: Cartoon Pen Drvie - Product Type: Flash Disk,Normal,Multifunctional,Creative - Interface Type: USB 2.0 - Brand Name: SHANDIAN PAY - Origin: Mainland China - Certification: CE - Model Number: Pendrive - Characteristic1: Animal-type cartoon flash drive - Characteristic2: Bee flash drive - Characteristic3: Cartoon fox type USB - Characteristic4: Cartoon Penguin USB 2.0 drive - Characteristic5: Cartoon Owl USB 2.0 Drive - Capacity: 64GB 32GB 16GB 8GB 4GB - Style 1: Waterproof USB flash drive - Style 2: Hi-Speed USB stick - Style 3: Shockproof Pen drive - Style 4: Antimagnetic U disk - Interface: USB 2.0 stick - Support System: Win98/ME/2000/XP/ Vista/win7 /win8/win10,Mac OS 9.X/Linux2.4 or above - Gift: wedding gift,Creative gift,Business gift,Gifts for kids,Free key chain,Photography Studio