1、Fast transmission speed, USB3.0 high-speed read and write transmission rate up to 120mb / s 2、Wide range of applications, such as data sharing, picture communication, car music, etc. 3、Dual card slot design and compatible with multiple systems, powerful performance 4、Strict quality control and quality assurance, high safety factor, can be used with peace of mind 5、Small size and large memory, easy to store, carry out and has good practicability Item Type: Card Reader Optional Style: Golden, Silver Grey Size: Approx. 7.5 x 2.1 x 0.9cm / 3 x 0.8 x 0.4in Color: Silver Grey / Gold Material: ABS Support Equipment: Mobile phone / computer Connector: USB3.0 male + TYPE-C male, memory card / small memory card  interface 1 x Card Reader Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.