Rotate USB Flash Drive 3.0 Memory Stick 2 in 1 USB-A to lightning iPhone Photo Stick External Storage for Iphone7/8/9/11/12/13 New in the Box Specification: Supports hot plug & play, High-speed USB 3.0. Plug-and-play; no external power supply required, USB bus-powered Support all current computer systems Speeds vary depending on the types of files being transferred and computer configuration. Interface USB 3.0 Excellent USB Memory stick in excellent condition Operating Temp: -10 to +55Deg.C Storage Temp: -20 to +55Deg.C Life:>1 million times About capacity: 64GB=approximately 58.5GB-60GB