Pendrive type memory with rotary closure preventing loss of the plug. It is a practical data carrier. Classic rotating housing and no plug is a perfect solution for all distracted people who lose objects. Housing made of durable plastic is both light and durable; this allows you to enjoy using without fear of damage, and also makes it easier to store the memory when not in use. Well-thought design allows you to attach the memory to the lanyard and use it at any time. Specification: Capacities: 32GB, 64GB Interface: USB 2.0 Type A backward compatible with USB 1.1 Working speed: read: up to 20 MB / s, write: up to 5 MB / s Size: 57.7 x 19.3 x 9.6 mm Weight (without packaging): 8 g Package size: 103 mm (width) x 123 mm (height) Power source: from USB port Working temperature: 0 - 70 ° C (recommended) Storage temperature: -25 - 85 ° C (recommended) Working and storage humidity: 5 ~ 95% (recommended) ReadyBoost: assisted Compatible with operating systems: Windows 2000 SP4 and newer, MacOS 10.5.x and newer, Linux v.2.6.x and newer