Toshiba TransferJet Wireless Adapter with microUSB Connector (TJNA00AMUB) One of the fastest close-proximity wireless transmission available today-much faster than NFC Wi-Fi Bluetooth and 3G-lets you transfer even large files in seconds Cross-platform compatibility means you can easily transfer photos videos and files wirelessly between Android iOS and PC devices instantly Tamper-proof wireless security through close-proximity data transfer reduces the chance of interception Extremely easy to use simply transfer data by touching the two devices together or placing the two devices within 3cm or closer proximity to each other -no Internet connection required Low power consumption means you don't drain your mobile device's battery while uploading and downloading large files Running on a unique wireless standard your devices won't get any Wi-Fi interference