Note: Nokia N1 tablet PC has no OTG function、 so this adapter is not for it; The adapter is only for the latest MACBOOK and laptops with Type C interface. Convert Type C interface on main board to standard A female interface、 and then connect to the USB devices with OTG function. Perfectly compatible with the latest MACBOOK; Supports all USB devices supporting MAC OS、 such as USB flash drive、 mobile HHD、 mouse、 etc. Also compatible with LeTV 1、 LeTV Pro and LeTV MAX. Dimensions: 1.26 in x 0.59 in x 0.31 in (3.2 cm x 1.5 cm x 0.8 cm) Weight: 0.18 oz (5 g)