Specifications 1. Support USB 1.1 and 2.0

2. Logo lit-up while connect the HUB with PC

3. Patented application

4.Various Colors

 1.  Material: crystal + A-grade aluminum  2. Laser-logo  3. Crystal part flashs when connect with PC.  4. Short sampling time.                    Product Details: Characteristics: 1. The upper part is made of high-quality crystal, and can make the 3D  logo or medical chart insides the crystal by laser-engraving. 2. The lower part is made of A-grade aluminum alloy, and can spray customized paint on the surfact. Logo printing is also available on this part. 3. When connecting with the computer, the crystal part flashes. Wonderful and amazing! 4.  It only takes 3-5 days to make customzied samplej.