About this item 3 in 1 USB AdapterThis 3 in 1 USB OTG adapter is equipped with a 3.5 mm headphone jack and charging splitter, supporting USB camera, card reader, and 3.5mm headphone audio and charging functions. Connect the USB OTG adapter to a keyboard for faster typing when chatting by your Phone or Pad. It is a multifunctional and practical adapter. (Note: This Adapter does not support phone calls.) Advanced Sound QualityThe headphone and charging adapter uses a completely copper core, supporting up to 24-bit / 48 kHz audio output, providing high fidelity and lossless audio experience for your entertainment. It's a wonderful solution to let you enjoy music. Bidirectional File TransferringFor iOS 13 and later, with the USB OTG Adapter, you can import & export photos, videos, and files (Word / PPT / Excel) by opening the 'Files' app. The high file transfer speed can reach 20 MB/S to 30 MB/S. Powerful CompatibilityThe 3 in 1 USB adapter is widely compatible with iOS 13 or above, works