1. Mini design, plug and play 2. Support charging and data transmission 3. The C-type port uses a reversible design to help you always insert in the correct way 4. The OTG function allows you to connect Class C devices to external devices, such as USB flash drives, mice, etc. (Class C devices must support the OTG function) 5. Make your life more convenient and comfortable 6. Small size, easy to carry 7. Size: 3x2cm 8. Weight: 5g