Specifications:1.Brand new and high quality2.Available capacities: 8 GB and 32 GB3.Chip: Grade A，Every PCS test before shipping4.Interface Type: USB 2.0， plug and play;USB 2.0 Compatible (Backwards compatible to USB 1.1)5.Compatibility: Desktop， Laptop， Macintosh， Tablet， Speakers all with USB1.0 and 2.0. (Sometimes incompatible with Mac OS 9.X/Linux2.4)6.Premium Wood finish USB 2.0 Flash Drive Memory Stick U DiskService :If you are not happy with any product by Hotmama for any reason， please do not hesitate to contact us.， We will reply you in 24 hours. In every customer relationship， Hotmama strives to be a trusted partner and seek to achieve 100% in customer satisfaction.