TOUCHMATE Innovative product 4-in-1 USB Flash Drive which is world’s first unique USB Drive for all devices for storage & easy transfer content from your iPhone, Android smartphones, tablets, PCs, notebooks. Free up space on smartphones for more pictures, videos & music. TOUCHMATE USB Flash Drive will automatically detected when connected to a compatible smartphone or tablet with OTG function. For iPhone/iPad can download i-FlashDevice HD from Apple AppStore. TOUCHMATE Mobile USB Flash Drive let you easily manage, save, transfer & backup your data. Specifications: • Built-in 4 interface for iOS/Micro-USB/TYPE-C/Windows • Manage and rapidly access data on your mobile device • External phone storage drive for back up and transfer. • Read Speed: 40~45Mb/s • Write Speed: 28~30Mb/s