USB Flash Drive Hoco UD9 4GB - a great solution for connecting to laptops, tablets, consoles, and TVs. The packaging is designed in a modern style, making it an excellent choice for display. The USB memory device is of the USB 2.0 generation. The memory capacity is 4 GB. The protective casing is made of reliable and durable metal, with a matte surface, comfortable shape, and compact dimensions. 1. USB protocol: USB2.0. 2. Material: zinc alloy + ABS + UDP. 3. Color: silver. 4. Size: 26.3mm*12.2mm*4.4mm. 5. Weight: 7g. 6. Write speed: 6-10MB/s. Read speed: 15-25MB/s.