Please read carefully before use: 1. During format process, our hard disk will choose exFAT automatically as default efficient format. Please DO NOT select NTFS manually, this format is not supported by our hard disk, will cause disk crash. 2. Only Data Storage, Read & Write is supported on MAC OS, formatting is not supported on MAC OS. Otherwise it will damage the disk. 3. QC passed, Hard Disk Formated already before packing & shipping, there is no need to reformat when first use. 4. If disk is damaged by accident, please use exFAT to fix. Please read the instructions for details. 5. It can't be divided into several disks when using. 【Feature】 1.The installation can be completed without any tools, and the hard drive and solid-state drive can be installed and removed quickly. 2.The shell is made of ABS engineering plastics, which can ensure greater impact resistance, strength and rigidity. 3.The storage devices is portable for its ultra light and small design, it has an amazing small size of 115mm * 75mm * 15mm. 【Specifications】 1.Color: Black 2.Shell material: ABS 3.Type: 500GB/1TB/2TB 4.The highest speed:5400MB/S 5.Gross weight:200g 6.Operating current:100mA 7.Waiting state current:50mA 8.Working temperature:0°C~+70°C 9.Working voltage:4.75V-5.25V 10.Storage temperture:-30°C~+55°C