Features: The perfect combination of traditional wood craftsmanship and modern digital. Exquisite craftsmanship and simple style, a good choice for life and work, also an ideal gift for friends or colleagues. With the characteristics of fashion and high-end business, it is the perfect combination of practicality and value. USB2.0 interface for lossless data transmission, also compatible with USB1.1. Walnut box is anti-shock and moisture-proof. Specification: Type: U Disk + Wooden Box Material: Walnut Interface: USB2.0 (downward compatible with USB1.1) Weight: 10g (U disk) / 51g (wooded box)(Approx. ) U disk size: Approx. 6 x 2 x 1cm Wooden box size: Approx. 8 x 5.3 x 2cm Packing: wooden box packaging Package list: 1 * U Disk 1 * Wooded Box Note: Please allow slight error due to manual measurement. Thanks for your kind understanding. 1、The perfect combination of traditional wood craftsmanship and modern digital. 2、With the characteristics of fashion and high-end business, it is the perfect combination of practicality and value. 3、USB2.0 interface for lossless data transmission, also compatible with USB1.1. 4、Exquisite craftsmanship and simple style, a good choice for life and work, also an ideal gift for friends or colleagues. 5、Walnut box is anti-shock and moisture-proof.