Item Type: Flash Drive <br>Material: Zinc Alloy <br>Interface: USB3.0 (With Micro USB Interface and Type-C Interface Adapter) <br>Compatible: For Windows, for OS X <br>Size: Approx. 68 x 15 x 7.5mm / 2.7 x 0.6 x 0.3in <br>Function: Ultra Portable Storage Device Replaces Floppy Disks and CDs Compatible with for Windows, for OS X1、USB3.0 Interface: USB3.0 interface, high speed data transmission, data reading and writing speed is higher than USB2.0, no driver, plug and play, equipped with Micro USB interface and Type?C interface adapter. <br>2、Universal Compatibility: USB flash drives for Windows, for OS X and other devices, you can easily transfer data or content through fast plug and play functions. <br>3、120 Decibels of Sound: The double pipe whistle is very loudly and easy to blow, delivering up to 120 decibels of sound, enough to be heard at long distances. <br>4、Multipurpose: U disk is suitable for outdoor activities such as hiking, fishing, camping, boating and also for lifeguards, pet dog training, etc. <br>5、Waterproof: U disk is designed with no beads inside, which is waterproof and can be used for calling teammates for help, signal transmission, and sports training outdoors.1 x Flash&nbsp;Drive<p><p>1 x Micro USB Interface Adapter</p><p>1 x Type-C Port Adapter</p></p>