Compatible with: Almost devices with Type-C ports and support OTG function. The maximum transmission speed is 500MB/S. This adapter will only work with mobiles or tablets that support USB OTG. Please consult your documentation and/or your service provider to ensure that your device does support USB OTG functionality. Connect your USB On-the-Go capable tablet computer or Smartphone to USB 2.0 devices (thumb drives / USB mouse / keyboard… etc.) Connect USB accessories to your OTG capable mobile devices & download pictures / transfer data & work more efficiently Charge a second phone by just plugging your charging cable to the OTG which os connected to a device and use that device’s power to charge your phone Feature Brands : Earldom Suitable Models : TYPE-C And Smart phone Output Current : 2.1mAx Working temperature :10 ℃ ~ 35 ℃ Function : no computer transfer,can be directly connected U disk,card reader,MP3,keyboard,digital cameras and other external devices data transmission.