Many C-Type Cable in market only for Charging purpose where it this connector tested for computer connectivity and data SYNC & With OTG Function Reversible Design: Smaller, smarter and more convenient! Low-profile connector with a reversible design simplifies the connection; Plug and unplug easily without checking for the connector orientation. New type-C connector can guarantee the maximum current of 3A transmission. Fast charging & Hi-speed Micro-USB 3.1 Male to Standard Type USB 2.0 Data sync, charging, The maximum data transfer rate up to 10GBit/s, USB3.1 standard. New generation USB 3.1 cable with revolutionary Type-C connector, made for The New MacBook. Most advanced and versatile type-C connector, single connector for both high power charging and speedy data transferring. OTG works with supported phones. Reversible design (plug in both ways) and backwards compatible with existing USB 3.0 and USB 2.0 devices. Default setting in mobiles OTG is disable. Go to Setting & Storage and enable OTG. Read your SD card, Pen drive. NOT SUITABLE FOR ONEPLUS TWO