Promotional 3 in 1 USB Adaptor Cables are cables with magnetic closure that open up to connect to your devices (with compatible micro/lightning/Type C USB slots). The keyring cables are available in 7 colours. Each personalised USB cable hooks easily over the supplied split-ring fitting for quick and easy attachment to your keys. Not recommended for use in the back of computers due to the length of the 'cable'. Please note, these cables can only charge 1 device at a time.