This 1.0m (3.3ft) USB 3.1 (C) male to USB 3.1 (C) male black cable will allow your USB 3.1 (C) equipped MacBook®, laptop or PC to plug into any USB 3.1 (C) device such as smart phones, tablets, MP3 players or external hard drives. Reversible USB Type (C) makes it easy to connect without having to see which side is up or down.