1. Size: length 3.2cm * width 1.5cm * thick 0.8cm. Weight: 7g
2. Micro-USB plug to USB jack, support OTG function for Micro-USB phone, can plug U disk, mobile hard disk (or other USB peripherals), can read the data. (Measured capacity 1T hard drive can be used normally)
3. You can also use the Micro-USB / Type-C or Lightning data cable to read Android or Apple phone internal data, and charge these phones
4. Zinc alloy shell material.
5. For charging and data transfer, portable, convenient and practical, with elastic lanyard