• High-Speed USB2.0 :Experience rapid data transfer with the SomnAmbuList pen drive's high-speed USB2.0 connection, ensuring efficient file management and quick backups. • Large Storage Capacity :With options ranging from 4GB to 128GB, this pen drive provides ample space for storing documents, multimedia files, and more, making it a versatile storage solution for both PC and mobile devices. • RoHS Certified :Catering to safety concerns, this product is RoHS certified, ensuring it meets high standards of safety and quality, giving you peace of mind. • Compact and Portable Design :Its mini, compact design makes it easy to carry around, perfect for those who are always on the go and need a reliable storage solution. • Durable Metal Material :Constructed from durable metal material, this pen drive is designed to withstand daily wear and tear, promising long-lasting performance and reliability. Capacity Notes: 128GB=approximately 118GB-120GB This is the difference in calculation between the manufacturer and your PC, please google "storage product capacity" for more information. PC defines 1GB = 1.07373741824 billion bytes, while the market defines 1GB = 1.00 billion bytes 100% real capacity, via H2testw. Please do not use cheap card readers to test speed will be reduced due to low quality card readers. Product description: Name: USB 2.0 Capacity:128GB Material : Metal Speed: Read 15MB/s, Write 6MB/s Color : Silver, Black Applicable equipment : Desktop computers, cell phones, laptops and more devices Operating temperature: - 13F to 185F (- 25C to 85C) Storage temperature : - 40F to 185F (- 40C to 85C) Size:38.6*12.2*4.6mm Weight: 5.5 g Package included: 1X USB flash drive