Feature: 1. Support OTG function to solve the problem of insufficient mobile phone memory. Files, pictures and videos can be read and saved at any time. 2. Support USB 3.0 fast transfer, transfer large files in seconds, fast and time‑saving. 3. Lightweight and compact, it is easy to carry, no need to drive, plug and play, no delay or jam. 4. Aluminum alloy shell is wear‑resistant and anti‑fingerprint, while strengthening internal circuit protection. 5. Used to connect or extend USB cable or device, it has the functions of transmission and charging at the same time. Specification: Item Type: USB A Male to USB Male OTG Adapter Material: Aluminum Alloy Product Color: As Pictures Shown Product Weight: Approx. 7g / 0.3oz Input Interface: USB 3.0 Output Interface: USB Function: Data Transmission and Charging. Package List: 1 x USB A Male to USB Male OTG Adapter