Feature: This product uses USB2.0 interface, compatible with the old version of USB1.1 interface, more convenient to use. The shape of the U-disk is a small knife shape. It has a very unique shape, which makes your U-disk more personalized. Perfect combination of traditional wooden craft and modern digital products. Wooden casing can effectively cushion the impact of vibration on U disk, and data storage is safer. Use as ornament, it is a kind of good decoration. Specification: Capacity: 8GB; 16GB; 32GB; 64GB; 128GB(Optional) Interface: USB2.0(Compatible USB1.1) Shell material: Walnut Shape: Knife Weight: 52g / 1.9oz Product dimension: 6.3*2.4*1.3cm / 2.5*0.9*0.5in Package list: 1 * USB Flash Drive 1 * Wooden Box Note: Because of the inconsistency of calculation units, the actual storage space size of U disk has slight difference, which is not a product quality problem. The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. 1、This product uses USB2.0 interface, compatible with the old version of USB1.1 interface, more convenient to use. 2、The shape of the U-disk is a small knife shape. It has a very unique shape, which makes your U-disk more personalized. 3、Perfect combination of traditional wooden craft and modern digital products. 4、Wooden casing can effectively cushion the impact of vibration on U disk, and data storage is safer. 5、Use as ornament, it is a kind of good decoration.